Publications

Publications

2010

Olsson-Francis, K., de la Torre R, Cockell, CS. 2010. Isolation of novel extreme-tolerant cyanobacteria from a coastal rock-dwelling microbial community using exposure to low Earth orbit. Appl. Environ Microbiol. (in press).

Foucher F, Westall W, Bandstattet F, Demets R, Parnell J, Cockell CS, Edwards HGM, Beny JM, Brack A. 2010. Testing the survival of microfossils in artificial martian sedimentary meteorites during entry into Earth’s atmosphere: the STONE 6 experiment. Icarus (in press).

Schulte, P. Alegret, L., Arenillas, I., Arz, J.A. Barton, P.J., Bown, P.R., Bralower, T.J., Christeson, G.L., Claeys, P., Cockell, C.S., Collins, G.S., Deutsch, A., Goldin, T.J., Goto, K., Grajales-Nishimura, J.M., Grieve, R.A.F., Gulick, S.P.S., Johnson, K.R., Kiessling, W., Koeberl, C., Kring, D.A., MacLeod, K.G., Matsui, T., Melosh, J., Montanari, A., Morgan, J.V., Neal, C.R., Nichols, D.J., Norris, R.D., Pierazzo, E., Ravizza, G., Rebolledo-Vieyra, M., Reimold, W.U., Robin, E., Salge, T., Speijer, R.P., Sweet, A.R., Urrutia-Fucugauchi, J., Vajda, V., Whalen, M.T. & Willumsen, P.S. (2010): The Chicxulub asteroid impact and mass extinction at the Cretaceous-Paleogene boundary. Science, in press.

Olsson-Francis K, Cockell CS. 2010. Experimental methods for studying microbial survival in extraterrestrial environments. Journal of Microbiological Methods, 80, 1-13.

2009

Cockell CS, Gronstal AL, Voytek MA, Kirshtein JD, Finster K, Sanford WE, Glamoclija M, Gohn GS, Powars DS, Wright Horton, J. Jr. 2009. Microbial abundance in the deep subsurface of the Chesapeake Bay impact crater: Relationship to lithology and impact processes. Geological Society of America Special Papers 458, 941-950.

Gronstal AL, Voytek MA, Kirshtein JD, von der Heyde NM, Lowit MD, Cockell CS. 2009. Contamination assessment in microbiological sampling of the Eyreville core, Chesapeake Bay impact structure. Geological Society of America Special Papers 458, 951-964.

Glamoclija M, Steele A, Fries M, Schieber J, Voytek MA, Cockell CS. 2009. Association of anatase (TiO2) and microbes: Unusual fossilization effect or a potential biosignature? Geological Society of America Special Papers 458, 965-975.

Sanford, WE, Voytek MA, Powars DS, Jones BF, Cozzarelli IM, Cockell CS, Eganhouse RP. 2009. Pore-water chemistry from the ICDP-USGS core hole in the Chesapeake Bay impact structure—Implications for paleohydrology, microbial habitat, and water resources. Geological Society of America Special Papers 458, 867-890.

Olsson-Francis, K., de la Torre R, Towner, M, Cockell, CS. 2009. Survival of Akinetes (Resting-State Cells of Cyanobacteria) in Low Earth Orbit and Simulated Extraterrestrial Conditions. Origins Life Evol Biosph 39, 565-579.

Cockell, C.S., Olsson, K., Herrera, A., Kelly, L., Thorsteinsson, Knowles, F. Thorsteinsson, T., Marteinsson, V. 2009. Bacteria in weathered basaltic glass, Iceland. Geomicrobiology Journal 26:491-507.

Cockell CS, Osinski GR, Voytek MA. 2009. The Geomicrobiology of Impact Structures. In Impact Cratering: Processes and Products (eds. Osinski GR, Pierazzo, E). Blackwell Publishing (in press)

Cockell CS. 2009. The Geomicrobiology of Catastrophe - A Comparison of Post-Impact and Volcanic Microbial Colonization. In Geomicrobiology: Environmental Perspectives. (ed. Barton, LL). Springer (in press)

Cockell CS, Raven JA, Kaltenegger L. 2009. Cryptic photosynthesis: planetary atmospheric oxygen without a surface biological signature. Astrobiology 9, 623-636.

Finster KW, Cockell CS, Voytek MA, Gronstal AL, Kjeldsen KU. 2009. Description of Tessaracoccus profundi sp.nov., a deep-subsurface actinobacterium isolated from a Chesapeake impact crater drill core (940 m depth). Antonie van Leeuwenhoek 96, 515-526

Cockell CS, Raven JA, Kaltenegger L, Logan RC. 2009. Planetary targets in the search for extrasolar oxygenic photosynthesis. Planet Ecology and Diversity 2, 207-219.

Herrera A, Cockell CS, Self S, Blaxter M, Reitner J, Thorsteinsson T, Arp G, Drose, W, Tindle A. A cryptoendolithic community in volcanic glass. Astrobiology 9, 369-381

Jones H, Cockell CS, Goodson C, Price N, Simpson A, Thomas B. 2009. Experiments on mixotrophic protists and catastrophic darkness. Astrobiology 9: 563-571.

Gronstal AL, Pearson V, Kappler A, Anand M, Poitrasson F, Kee TP, Cockell CS. 2009. Laboratory experiments on the weathering of iron meteorites and carbonaceous chondrites by iron-oxidising bacteria. Meteoritics and Planetary Science 44, 233-248.

Cockell, C.S., Olsson, K., Herrera, A., Meunier, A. 2009. Alteration textures in terrestrial volcanic glass and the associated bacterial community. Geobiology 7, 50-65.

Lammer H, Bredehoft JH, Coustenis A, Khodachenko ML, Kaltenegger L, Grasset O, Prieur D, Raulin F. Ehrenfreund P, Yamauchi M. Wahlund JE, Griessmeier JM, Stangl G, Cockell CS, Kulikov YN, Grenfell JL, Rauer H. What makes a planet habitable? Astron Astrophys Review 17, 181-249.

Cockell CS, Herbst T, Leger A, Kaltenegger L, Absil O, Beichman C, Benz W, Brack A, Chelli A, Colangeli L, Cottin H, Coude du Foresto V, Danchi W, Defrere D, den Herder JW, Eiroa C, Fridlun M, Greaves J, Henning T, Johnston K, Jones H, Labadie L, Launhardt R, Lawson P, Lay OP, LeDuigou JM, Liseau R, Malbet F, Martin SR, Mawet D, Mourard D, Moutou C, Mugnier L, Paresce F, Quirrenbach A, Rabbia Y, Raven J, Rottgering JA, Rouan D, Santos N, Selsis F, Serabyn E, Shibai H, Tamura M, Thiebaut E, Westall F, White G. 2008. Darwin - A Mission to Detect and Search for Life on Extrasolar Planets. Astrobiology 9, 1-22.

Cockell CS, Herbst T, Leger A, Kaltenegger L, Absil O, Beichman C, Benz W, Brack A, Chelli A, Colangeli L, Cottin H, Coude du Foresto V, Danchi W, Defrere D, den Herder JW, Eiroa C, Fridlun M, Greaves J, Henning T, Johnston K, Jones H, Labadie L, Launhardt R, Lawson P, Lay OP, LeDuigou JM, Liseau R, Malbet F, Martin SR, Mawet D, Mourard D, Moutou C, Mugnier L, Paresce F, Quirrenbach A, Rabbia Y, Raven J, Rottgering JA, Rouan D, Santos N, Selsis F, Serabyn E, Shibai H, Tamura M, Thiebaut E, Westall F, White G. 2008. Darwin - An Experimental Astronomy Mission to Search for Extrasolar Planets. Experimental Astronomy 23, 435-460.

2008

Raven JA, Cockell CS, de la Rocha C. 2008. The evolution of inorganic carbon concentrating mechanisms in photosynthesis. Phil. Trans. Royal Soc. 363, 2641-2650

Gohn G, Koeberl C, Miller KG, Reimold U, Browning JC, Cockell CS, Horton JW, Kenkman T, Kulpecz AA, Powars DS, Sanford WE, Voytek MA. 2008. Deep drilling into the Chesapeake Bay impact structure. Science 320, 1740-1745

Herrera A, Cockell CS, Self S, Blaxter M, Reitner J, Arp G, Dröse W, Thorsteinsson T, and Tindle AG. 2008. Bacterial colonization and weathering of terrestrial obsidian in Iceland. Geomicrobiology Journal 25, 25-47

Cockell, CS. How deep can life live under rock and ice? In: The Seventy Great Mysteries of the Natural World, M. J. Benton (Ed.), Thames and Hudson, London, pp.151-153, 2008.

Kapitulcinova D, Cockell CS, Hallam KR, Ragnarsdottir V. 2008 Effect of cyanobacterial growth on biotite surfaces under laboratory nutrient-limited conditions. Mineral. Magazine 72, 71-75.

Brandstatter F, Brack A, Baglioni P, Cockell CS, Demets R, Edwards HGM, Kurat G, Osinski GR, Pillinger JM, Roten CA, Sancisi-Frey S. 2008. Mineralogical alteration of artificial meteorites during atmospheric entry. The STONE-5 experiment. Planetary and Space Science 7, 976-984.

Cockell CS, Herrera A. 2008. Why are some microorganisms boring? Trends in Microbiology 16, 101-106.

Cockell CS. 2008. The interplanetary exchange of photosynthesis. Origins Life Evol. Biosphere 38, 87-104.

Talbot HM, Summons RE, Jahnke LL, Cockell CS, Rohmer M, Farrimond P. 2008. Cyanobacterial bacteriohopanepolyol signatures from cultures and natural environmental settings. Organic Geochemistry 39(2), 232-263.

Weinstein S, Pane D, Ernst LA, Warren-Rhodes K, Dohm JM, Hock AN, Piatek JL, Emani S, Lanni F, Wagner M, Fisher GW, Minkley E, Dansey LE, Smith T, Grin EA, Stubbs K, Thomas G, Cockell CS, Marinangeli L, Ori GG, Heys S, Teza JP, Moersch JE, Coppin P, Diaz GC, Wettergreen DS, Cabrol NA, Waggoner AS. 2008. Application of pulsed-excitation fluorescence imager for daylight detection of sparse life in tests in the Atacama Desert. J. Geophys. Res. 113, G01S90

Horneck G, Stöffler D, Ott S, Hornemann U, Cockell CS, Moeller R, Meyer C, de Vera JP, Fritz J, Schade S, Artemieva NA. 2008. Microbial rock inhabitants survive hypervelocity impacts on Mars-like host planets: First phase of Lithopanspermia experimentally tested. Astrobiology 8, 17-44.

Liu YD, Cockell CS, Wang G, Hu CX, Chen L, De Philippis R. 2008. Control of Lunar and Martian dust—Experimental insights from artificial and natural cyanobacterial and algal crusts in the desert of Inner Mongolia, China. Astrobiology 8, 75-86.

Pullan D, Westall F, Hofmann BA, Parnell J, Cockell CS, Edwards H, Jorge Villar SE, Schröder C, Cressey G, Marinangeli L, Richter L, Klingelhöfer G. 2008. Identification of morphological biosignatures in Martian analogue field specimens using in situ planetary instrumentation. Astrobiology 8, 119-156.

Cockell CS, McKay CP, Warren-Rhodes KA, Horneck G. 2008. Ultraviolet radiation-induced limitation to epilithic microbial growth in arid deserts - Dosimetric experiments in the hyperarid core of the Atacama Desert. J. Photochem. Photobiol. 90, 79-87

2007

Herrera A, Cockell CS. 2007. Exploring Microbial Diversity in Volcanic Environments: A Review of Methods in DNA Extraction. Journal of Microbiological Methods 70, 1-12

Cockell CS, Osinski GR. 2007. Impact-induced impoverishment and transformation of a sandstone habitat for lithophytic microorganisms. Meteoritics and Planetary Science 42, 1985-1993.

Gronstal A, Cockell CS, Perino MA, Bittner T, Clacey E, Clark O, Ingold O, De Oliveira CA, Wathiong S. 2007. Lunar astrobiology: A review and suggested laboratory equipment . Astrobiology 7, 767-782.

Siegert MJ, Behar A, Bentley M, Blake D, Bowden S, Christoffersen P, Cockell CS, Corr H et al. 2007.
Exploration of Ellsworth Subglacial Lake: a concept paper on the development, organisation and execution of an experiment to explore, measure and sample the environment of a West Antarctic subglacial lake, Reviews in Environmental Science and Biotechnology 6, 161 - 179.

Cockell CS, Brack A, Wynn-Williams DD, Baglioni P, Brandstatter F, Demets R, Edwards HG, Gronstal AL, Kurat G, Lee P, Osinski GR, Pearce DA, Pillinger JM, Roten CA, Sancisi-Frey S. 2007. Interplanetary transfer of photosynthesis: an experimental demonstration of a selective dispersal filter in planetary island biogeography. Astrobiology 7(1), 1-9.

Cockell CS, Kennerley N, Lindstrom M, Watson J, Ragnarsdottir V, Sturkell E, Ott S, Tindle AG. 2007. Geomicrobiology of a weathering crust from an impact crater and a hypothesis for its formation. Geomicrobiology Journal 24, 425-440.

Parnell J, Cullen D, Sims MR, Bowden S, Cockell CS, Court R, Ehrenfreund P, Gaubert F, Grant W, Parro V, Rohmer M, Sephton M, Stan-Lotter H, Steele A, Toporski J, Vago J. 2007. Searching for life on mars: Selection of molecular targets for ESA's aurora ExoMars mission. Astrobiology 7, 578-604.

Cabrol NA, Wettergreen D, Warren-Rhodes K, Grin EA, Moersch J, Diaz GC, Cockell CS, Coppin P, Demergasso C, Dohm JM, Ernst L, Fisher G, Glasgow J, Hardgrove C, Hock AN, Jonak D, Marinangeli L, Minkley E, Ori GG, Piatek J, Pudenz E, Smith T, Stubbs K, Thomas G, Thompson D, Waggoner A, Wagner M, Weinstein S, Wyatt M. 2007. Life in the Atacama: Searching for life with rovers (science overview). J. Geophys. Res, 112, G04S02.

Hock AN, Cabrol NA, Dohm JM, Piatek J, Warren-Rhodes K., Weinstein S, Wettergreen DS, Grin EA, Moersch J, Cockell CS, Coppin P, Ernst L, Fisher G, Hardgrove C, Marinangeli L, Minkley E, Ori GG, Waggoner A, Wyatt M, Smith T, Thompson D, Wagner M, Jonak D, Stubbs K, Thomas G, Pudenz E, Glasgow, J. 2007. Life in the Atacama: A scoring system for habitability and the robotic exploration for life. J. Geophys. Res, 112, G04S08.

Cockell CS, Tsikos H, Durante M, Parnell J. 2007. Microbe-mineral interactions in naturally radioactive beach sands from Espirito Santo, Brazil - Experiments on Mutagenicity. Environmental and Radiation Biophysics 46, 247-253

Cockell CS, Raven JA. 2007 Ozone and life on the Archaean earth. Phil. Trans. Royal Soc. 365, 1889-1901.

Thomas GW, Peate IU, Nakamoto J, Pudenz E, Glasgow J, Bretthauer J, Cabrol N, Wettergreen D, Grin E, Coppin P, Dohm JM, Piatek JL, Warren-Rhodes K, Hock AN, Weinstein S, Fisher G, Diaz GC, Cockell CS, Marinangeli L, Minkley N, Moersch J, Ori GG, Smith T, Stubb K, Wagner M, Waggoner AS. 2007. Comparing different methods for assessing ground truth of rover data analysis for the 2005 season of the Life in the Atacama Project. J. Geophys. Res. 112, G04S09.

Stoffler D, Horneck G, Ott S, Hornemann U, Cockell CS, Moeller R, Meyer C, de Vera JP, Fritz J, Artemieva NA. 2007. Experimental evidence for the potential impact ejection of viable microorganisms from Mars and Mars-like planets. Icarus 186, 585-588.

Zahnle K, Arndt N, Cockell CS, Halliday A, Nisbet E, Selsis F, Sleep NH. 2007. Emergence of a habitable planet. Space Science Reviews 129, 35-78.

Warren-Rhodes K, Weinstein S, Dohm J, Piatek J, Minkley E, Hock A, Cockell CS, Pane D, Ernst LA, Fisher G, Emani S, Waggoner AS, Cabrol NA, Wettergreen DS, Apostolopoulos D, Coppin P, Grin E, Diaz C, Moersch J, Oril GG, Smith T, Stubbs K, Thomas G, Wagner M, Wyatt M. 2007. Searching for microbial life remotely: Satellite-to-rover habitat mapping in the Atacama Desert, Chile. J. Geophys. Res. 112, G04S05.

Pearce DA, Cockell CS, Lindstrom ES, et al. 2007. First evidence for a bipolar distribution of dominant freshwater lake bacterioplankton. Antarctic Science 19, 245-252.

2006

Westall F, de Ronde CEJ, Southern G, Grassineau N, Colas M, Cockell CS, Lammer H. 2006. Implications of a 3.472-3.333 Guyr-old subaerial microbial mat from the Barbertyon greenstone belt, South Africa for the UV environmental conditions on the early Earth. Phil. Trans. Royal Soc. 361, 1857-1875.

Gohn GS, Koeberl C, Miller KG, Reimold WU, Cockell CS, Horton JW, Sanford WE, Voytek MA. 2006. Chesapeake Bay impact structure drilled. EOS 87, 349.

Cockell CS, Stokes MD. 2006. Hypolithic colonization of opaque rocks in the Arctic and Antarctic Polar Desert. Arctic, Antarctic and Alpine Res. 38, 335-342.

Cockell CS. 2006. The origin and emergence of life under impact bombardment. Phil. Trans. Roy. Soc. 1474, 1845-1855.

Leach S, Smith IWM, Cockell CS. 2006. Introduction - conditions for the emergence of life on the early Earth. Phil. Trans. Roy. Soc. 1474, 1675-1679.

Raven JA, Cockell CS. 2006. Influence on Photosynthesis of starlight, moonlight, planetlight and light pollution (Reflections on photosynthetically active radiation in the universe). Astrobiology 6, 668-675.

2005

Osinski GR, Lee P, Spray JG, Parnell J, Lim DSS, Bunch TE, Cockell CS, Glass B. 2005. Geological overview and cratering model for the Haughton impact structure, Devon Island, Canadian High Arctic. Meteoritics and Planetary Science 40, 1759-1776.

Sherlock SC, Kelley SP, Parnell J, Green P, Lee P, Osinsk GR, Cockell CS. 2005. Re-evaluating the age of the Haughton impact event. Meteoritics and Planetary Science 40, 1777-1787.

Parnell J, Lee P, Osinski GR, Cockell CS. 2005. Application of organic geochemistry to detect signatures of organic matter in the Haughton impact structure. Meteoritics and Planetary Science 40, 1879-1885.

Cockell CS, Lee P, Broady P, Lim DSS, Osinski GR, Parnell J, Koeberl C, Pesonen L, Salminen J. 2005. Effects of asteroid and comet impacts on habitats for lithophytic organisms - A synthesis. Meteoritics and Planetary Science 40, 1901-1914.

Edwards HGM, Villar SEJ, Parnell J, Cockell CS, Lee P. 2005. Raman spectroscopic analysis of cyanobacterial gypsum halotrophs and relevance for sulfate deposits on Mars. Analyst 130, 917-923.

Cordoba-Jabonero C, Zorzano MP, Selsis F, Patel MR, Cockell CS. 2005. Radiative habitable zones in martian polar environments. Icarus 175, 360-371.

Cockell CS, Bland PA. 2005. The evolutionary and ecological benefits of asteroid and comet impacts. Trends in Ecology and Evolution 20, 175-179.

Peck LS, Clark MS, Clarke A, Cockell CS, Convey P, Detrich HW, Fraser KPP, Johnston IA, Methe BA, Murray AE, Romisch K, Rogers AD. 2005. Genomics: applications to Antarctic ecosystems. Polar Biology 28, 351-365.

Cockell CS, Schuerger AC, Billi D, Friedmann EI, Panitz C. 2005. Effects of a simulated martian UV flux on the cyanobacterium, Chroococcidiopsis sp 029. Astrobiology 5, 127-140.

2004

Cockell CS, Berry J, Southern A, Herrera A, Yackulic C. 2004. Protection from UV radiation in the economic crop, Opuntia spp. Economic Botany 58, S88-S100.

Villar SEJ, Edwards HGM, Cockell CS. 2005. Raman spectroscopy of endoliths from Antarctic cold desert environments. Analyst 130, 156-162.

Edwards HGM, Wynn-Williams DD, Little SJ, de Oliveira LFC, Cockell CS, Ellis-Evan JC. 2004. Stratified response to environmental stress in a polar lichen characterized with FT-Raman microscopic analysis. Spectrochimica Acta 60, 2029-2033.

Rettberg P, Cockell CS. 2004. Biological UV dosimetry using the DLR-biofilm. Photochemical and Photobiological Sciences 3, 781-787.

Edwards HGM, Cockell CS, Newton EM, Wynn-Williams DD. 2004. Protective pigmentation in UVB-screened Antarctic lichens studied by Fourier transform Raman spectroscopy: an extremophile bioresponse to radiation stress. Journal of Raman Spectroscopy 35, 463-469.

Cockell CS, Raven JA. 2004. Zones of photosynthetic potential on Mars and the early Earth. Icarus 169, 300-310.

Cockell CS, Stokes MD. 2004. Widespread colonization by polar hypoliths. Nature 431, 414.

Cockell CS. 2004. Impact-shocked rocks - insights into Archean and extraterrestrial microbial habitats (and sites for prebiotic chemistry?). Adv. Space Res. 33, 1231-1235.

Patel, MR, Christou AA, Cockell CS, Ringrose TJ, Zarnecki JC. 2004. The UV environment of the Beagle 2 landing site : detailed investigations and detection of atmospheric state. Icarus 168, 93-115.

Cockell CS, Cordoba-Jabonero C. 2004. Coupling of climate change and biotic UV exposure through changing snow-ice covers in terrestrial habitats. Photochemistry and Photobiology 79, 26-31.

Clark MS, Clarke A, Cockell CS, Convey P, Detrich HW, Fraser KPP, Johnston IA, Methe BA, Murray AE, Peck LS, Romisch K, Rogers AD. 2004. Antarctic Genomics. Comparative and Functional Antarctic Genomics 5, 230-238.

2003

Cockell CS, Rettberg P, Horneck G, Scherer K, Stokes DM. 2003. Measurements of microbial protection from ultraviolet radiation in polar terrestrial microhabitats. Polar Biology 26, 62-69.

Cockell CS, Osinski GR, Lee P. 2003. The impact crater as a habitat : effects of impact-processing of target materials. Astrobiology 3, 181-191.

Fike DA, Cockell CS, Pearce D, Lee P. 2003. Heterotrophic microbial colonization of the interior of impact-shocked rocks from Haughton impact structure, Devon Island, Nunavut, Canada. International Journal of Astrobiology 1, 311-323.

Cockell CS, McKay CP, Omelon C. 2003. Polar endoliths - an anticorrelation of climatic extremes and microbial biodiversity. International Journal of Astrobiology 1, 305-310.

Ronto G, Berces A, Lammer H, Cockell CS, Molina-Cuberos GJ, Patel MR, Selsis F. 2003. Solar UV irradiation conditions on the surface of Mars. Photochemistry and Photobiology 77, 34-40.

2002

Cockell CS, Lee P, Osinski G, Horneck G, Broady P. 2002. Impact-induced microbial endolithic habitats. Meteoritics and Planetary Science 37, 1287-1298.

Cockell CS, Lee P. 2002. The biology of impact craters - a review. Biological Reviews 77, 279-310.

Cockell CS, Horneck G, Rettberg P, Facius R, Gugg-Helminger,A. 2002. Influence of snow and ice covers on UV exposure of Antarctic microbial communities - dosimetric studies. J. Photochem. Photobiol. 68, 23-32.

Cockell CS, Airo A. 2002. On the plausibility of a UV-transparent biochemistry. Origins of Life and Evol. Biosphere 32, 255-274.

Cockell CS, Horneck G, Rettberg P, Arendt J, Facius R, Gugg-Heliminger A. 2002. Human exposure to UV radiation at the antipodes - a comparison between and arctic (75°N) and an Antarctic (67°S) location. Polar Biology 25, 492-499.

2001

Cockell CS, Horneck G. 2001. The ultraviolet climate of Earth, past and present - theoretical and space-based observations. Photochem. Photobiol. 73, 447-451.

Cockell CS, Scherer K, Horneck G, Rettberg P, Facius R, Gugg-Heliminger A, Lee P. 2001. Exposure of arctic field scientists to ultraviolet radiation assessed using personal dosimeters. Photochem. Photobiol, 74, 570-578.

Cockell CS, Lee P, Schuerguer A, Hidalgo L, Jones J, Stokes D. 2001. Microbiology and vegetation of micro-oases and polar desert, Haughton impact crater, Devon Island, Canadian High Arctic. Arctic, Alpine and Antarctic Research 33, 306-318.

Stoker CR, Cabrol NA, Roush TR, Moersch J, Aubele J, Barlow N, Bettis EA, Bishop J, Chapman M, Clifford S, Cockell CS, Crumpler L, Craddock R, De Hon R, Foster T, Gulick V, Grin E, Horton K, Hovde G, Johnson JR, Lee PC, Lemmon MT, Marshall J, Newsom HE, Ori GG, Reagan M, Rice JW, Ruff SW, Schreiner J, Sims M, Smith PH, Tanaka K, Thomas HJ, Thomas G, Yingst RA. 2001 The 1999 Marsokhod rover mission simulation at Silver Lake, California: Mission overview, data sets, and summary of results. Journal of Geophysical Research 106, 7639-7663.

Johnson JR, Ruff SW, Moersch J, Roush T, Horton K, Bishop J, Cabrol NA, Cockell CS, Gazis P, Newsom HE, Stoker C. 2001. Geological characterization of remote field sites using visible and infrared spectroscopy: Results from the 1999 Marsokhod field test. Journal of Geophysical Research 106, 7683-7711.

Newsom HE, Bishop JL, Cockell CS, Roush TL, Johnson JR. 2001. Search for life on Mars in surface samples: Lessons from the 1999 Marsokhod rover field experiment. Journal of Geophysical Research 106, 7713-7720.

Cockell CS. 2001. The martian and extraterrestrial UV radiation environment. II. Further considerations on materials and design criteria for artificial ecosystems. Acta Astronautica 49, 631-640.

2000

Cockell CS. 2000. The ultraviolet history of the terrestrial planets - implications for biological evolution. Planet. Space Sci. 48, 203-214.

Cockell CS. 2000. Ultraviolet radiation and the photobiology of earth’s early oceans. Origins Life Evol. Biosphere 30, 467-499.

Cockell CS, Stokes DM, Korsmeyer K. 2000. Overwintering adaptations of polar organisms. Environmental Reviews 8, 1-19.

Kepner RN, Collier B, Jeffrey WH, Cockell CS, Collier B, Wharton R. 2000. UV radiation and potential biological effects beneath the perennial ice cover of an antarctic lake. Hydrobiologia 427, 155-165.

Cockell CS, Catling D, Davis WL, Kepner RN, Lee PC, Snook K, McKay CP. 2000. The ultraviolet environment of Mars : biological implications past, present and future. Icarus 146, 343-359.

1999

Cockell CS. 1999. Crises and extinction in the fossil record - a role for ultraviolet radiation? Paleobiology 25, 212-225.

Cockell CS, Catling D, Waites H. 1999. Insects at low pressures : applications to artificial ecosystems and implications for global windbourne distribution. Life Support and Biosphere Science 6, 131-137.

Cockell CS. 1999. Life on Venus. Planet. Space Sci. 47, 1487-1501.

Cockell CS. 1999. Carbon biochemistry and the ultraviolet radiation environments of F,G and K main sequence stars. Icarus 141, 399-407.

Cockell CS, Rothschild LJ. 1999. The effects of ultraviolet radiation on diurnal photosynthetic patterns in three taxonomically and ecologically diverse microbial mats Photochemistry and Photobiology 69, 203-210.

Cockell CS, Knowland J. 1999. Ultraviolet radiation screening compounds. Biological Reviews 74, 311-345.

Cockell CS, Rothschild L. 1999. Photosynthetic rhythmicity in an Antarctic microbial mat and some considerations on polar circadian rhythms. Antarctic Journal 32, 156-158.

Cockell CS, Andrady AL. 1999. The Martian and extraterrestrial UV radiation environment : 1. Biological and closed-loop ecosystem considerations. Acta Astronautica 44, 53-62.

1998

Cockell CS. 1998. Biological effects of high ultraviolet radiation on early earth - a theoretical evaluation. J. Theoret. Biology 193, 719-731.

Cockell CS. 1998. Ultraviolet radiation, evolution and the π-electron system. Biological Journal of the Linnean Society 62(3), 449-457.

Cockell CS, Ponting CP, Brown AJ, Marshall JM, Cederholm-Williams SA. 1998. Evidence that kringle 5 mediates the closed conformation of human plasminogen via an interaction with the N-Terminal Peptide, Jour. Biochem. 333, 99-105.


Environmental/Space Exploration Policy and Ethics

Cockell CS, Jones HJ. 2009. Advancing the case for microbial conservation. Oryx 43, 520-526

Cockell CS. 2009. Liberty and the limits to the extraterrestrial state. Journal of the British Interplanetary Society 62, 139-157.

Cockell CS. 2009 Visions of Ourselves. Nature 457, 30.

Cockell CS. 2008. Interstellar planetary protection. Advances in Space Research 42, 1161-1165.

Cockell CS. 2008. An essay on extraterrestrial liberty. Journal of the British Interplanetary Society 61, 255-275.

Cockell CS. 2008. Environmental ethics and size. Ethics and the Environment 13, 23-39.

Cockell CS. 2007. Mutually assured pathogenicity. Interdisciplinary Science Reviews 32, 7-10.

Cockell CS. 2007. Originism - ethics and extraterrestrial life. Journal of the British Interplanetary Society 60, 147--153.

Jones H, Yoeman K, Cockell CS. 2007. A survey of attitudes to space sciences and exploration among British schoolchildren. Space Policy 23, 20-23.

Cockell CS, Horneck G. 2006. Planetary Parks - formulating a wilderness policy for other planetary bodies. Space Policy 22, 256-261.

Cockell CS. 2006. The ethical relevance of Earth-like extrasolar planets. Environmental Ethics 28, 303-314.

Crawford I, Cockell CS. 2005. The scientific case for human space exploration. Astron. Geophys. 46, 17-18.

Cockell CS. 2005. Planetary protection - A microbial ethics approach. Space Policy 21, 287-292.

Cockell CS. 2005. Duties to extraterrestrial microscopic organisms. Journal of the British Interplanetary Society 58, 367-373.

Cockell CS. 2005. A scientific impact response team for the aftermath of small asteroid and comet impacts. Science and Global Security 13, 105-115.

Cockell CS. 2005. The value of microorganisms. Environmental Ethics 27, 375-390.

Cockell CS, Horneck G. 2004. A Planetary Park system for Mars. Space Policy 20, 291-295.

Cockell CS. 2004. The rights of microbes. Interdisciplinary Science Reviews 29, 141-150.

Cockell CS. 2003. A scientific response to small asteroid and comet impacts. Interdisciplinary Science Reviews 28, 74-75.

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