Search for Past Life on Mars: Possible Relic Biogenic Activity in Martian Meteorite ALH84001
McKay, David S., Gibson, Everett K., Thomas-Keprta, Kathie L., Vali, Hojatollah, Romanek, Christopher S., Clemett, Simon J., Xavier D. F. Chillier, Maechling, Claude R., Zare, Richard N.
Published in Science (American Association for the Advancement of Science) (16.08.1996)
Published in Science (American Association for the Advancement of Science) (16.08.1996)
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Journal Article
Micro‐ and nanoscale studies of insoluble organic matter and C‐rich presolar grains in Murchison and Sutter's Mill in preparation for Bennu sample analysis
Nguyen, A. N., Clemett, S. J., Thomas‐Keprta, K., Alexander, C. M. O'D., Glavin, D. P., Dworkin, J. P., Connolly, H. C., Lauretta, D. S.
Published in Meteoritics & planetary science (30.08.2024)
Published in Meteoritics & planetary science (30.08.2024)
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Journal Article
Truncated Hexa-Octahedral Magnetite Crystals in ALH84001: Presumptive Biosignatures
Thomas-Keprta, Kathie L., Clemett, Simon J., Bazylinski, Dennis A., Kirschvink, Joseph L., McKay, David S., Wentworth, Susan J., Vali, Hojatollah, Gibson, Everett K., McKay, Mary Fae, Romanek, Christopher S.
Published in Proceedings of the National Academy of Sciences - PNAS (27.02.2001)
Published in Proceedings of the National Academy of Sciences - PNAS (27.02.2001)
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Journal Article
Origins of magnetite nanocrystals in Martian meteorite ALH84001
Thomas-Keprta, K.L., Clemett, S.J., McKay, D.S., Gibson, E.K., Wentworth, S.J.
Published in Geochimica et cosmochimica acta (01.11.2009)
Published in Geochimica et cosmochimica acta (01.11.2009)
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Journal Article
Microscopic Physical Biomarkers in Carbonate Hot Springs: Implications in the Search for Life on Mars
Allen, Carlton C., Albert, Fred G., Chafetz, Henry S., Combie, Joan, Graham, Catherine R., Kieft, Thomas L., Kivett, Steven J., McKay, David S., Steele, Andrew, Taunton, Anne E., Taylor, Michael R., Thomas-Keprta, Kathie L., Westall, Frances
Published in Icarus (New York, N.Y. 1962) (01.09.2000)
Published in Icarus (New York, N.Y. 1962) (01.09.2000)
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Journal Article
Physicochemical properties of respirable-size lunar dust
McKay, D.S., Cooper, B.L., Taylor, L.A., James, J.T., Thomas-Keprta, K., Pieters, C.M., Wentworth, S.J., Wallace, W.T., Lee, T.S.
Published in Acta astronautica (01.02.2015)
Published in Acta astronautica (01.02.2015)
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Journal Article
Evaluating the Evidence for Past Life on Mars
Anders, Edward, Shearer, C. K., Papike, J. J., Bell, Jeffrey F., Clemett, Simon J., Zare, Richard N., McKay, David S., Thomas-Keprta, Kathie L., Romanek, Christopher S., Gibson, Everett K., Vali, Hhjatollah, Thomas-Keprta, Kathie
Published in Science (American Association for the Advancement of Science) (20.12.1996)
Published in Science (American Association for the Advancement of Science) (20.12.1996)
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Journal Article
Bacterial mineralization patterns in basaltic aquifers: implications for possible life in martian meteorite ALH84001
Thomas-Keprta, K L, McKay, D S, Wentworth, S J, Stevens, T O, Taunton, A E, Allen, C C, Coleman, A, Gibson, Jr, E K, Romanek, C S
Published in Geology (Boulder) (01.11.1998)
Published in Geology (Boulder) (01.11.1998)
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Journal Article
Elongated prismatic magnetite crystals in ALH84001 carbonate globules:: Potential Martian magnetofossils
Thomas-Keprta, Kathie L., Bazylinski, Dennis A., Kirschvink, Joseph L., Clemett, Simon J., McKay, David S., Wentworth, Susan J., Vali, Hojatollah, Gibson, Everett K., Romanek, Christopher S.
Published in Geochimica et cosmochimica acta (01.12.2000)
Published in Geochimica et cosmochimica acta (01.12.2000)
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Journal Article
Life on Mars: evaluation of the evidence within Martian meteorites ALH84001, Nakhla, and Shergotty
Gibson, E.K., McKay, D.S., Thomas-Keprta, K.L., Wentworth, S.J., Westall, F., Steele, A., Romanek, C.S., Bell, M.S., Toporski, J.
Published in Precambrian research (01.02.2001)
Published in Precambrian research (01.02.2001)
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Journal Article
Electron Microscopy and Analysis of Martian Meteorite ALH84001 with MochiiISS-NL on the International Space Station
Own, Christopher S., Thomas-Keprta, K.T., Clemett, S., Rahman, Z., Martinez, J., Own, L.S., Morales, Z., Koene, R., Pettit, D.R.
Published in Microscopy and microanalysis (01.08.2022)
Published in Microscopy and microanalysis (01.08.2022)
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Journal Article
Electron Microscopy and Analysis of Martian Meteorite ALH84001 with Mochii ISS-NL on the International Space Station
Own, Christopher S, Thomas-Keprta, KT, Clemett, S, Rahman, Z, Martinez, J, Own, LS, Morales, Z, Koene, R, Pettit, DR
Published in Microscopy and microanalysis (01.08.2022)
Published in Microscopy and microanalysis (01.08.2022)
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Journal Article
No 'nanofossils' in martian meteorite
Bradley, J. P, Harvey, R. P, McSween, H. Y, Gibson, Everett, Thomas-Keprta, Kathie, Vali, H
Published in Nature (London) (04.12.1997)
Published in Nature (London) (04.12.1997)
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Journal Article
FIB Microscopy of Martian Meteorite ALH84001 Carbonate Disks
Bernas, M P, Clemett, S J, Thomas-Keprta, K L, McKay, D S, Gibson, E K
Published in Microscopy and microanalysis (01.08.2005)
Published in Microscopy and microanalysis (01.08.2005)
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Journal Article
Preliminary Examination of Returned Samples From Bennu Using Quantitative Particle Analysis in the Scanning Electron Microscope
Thomas-Keprta, K, L. Le, Keller, P, Haenecour, P, McCoy, T J, Thompson, M S, Zega, T J, Connolly, H C, Lauretta, D S
Published in Meteoritics and Planetary Science (13.08.2023)
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Published in Meteoritics and Planetary Science (13.08.2023)
Web Resource
Magnetofossils from ancient Mars: a robust biosignature in the martian meteorite ALH84001
Thomas-Keprta, Kathie L., Clemett, Simon J., Bazylinski, Dennis A., Kirschvink, Joseph L., McKay, David S., Wentworth, Susan J., Vali, Hojatollah, Gibson Jr, Everett K Jr, Romanek, Christopher S.
Published in Applied and environmental microbiology (01.08.2002)
Published in Applied and environmental microbiology (01.08.2002)
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Journal Article
Nitrogen-Bearing, Indigenous Carbonaceous Matter in the Nakhla Mars Meteorite
Thomas-Keprta, K L, Clemett, S J, Messenger, S, Rahman, Z, Gibson, E K, Wentworth, S J, McKay, D S
Published in NASA Center for AeroSpace Information (CASI). Conference Proceedings (20.03.2017)
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Published in NASA Center for AeroSpace Information (CASI). Conference Proceedings (20.03.2017)
Conference Proceeding
Response: Past Life on Mars?
McKay, D. S., Gibson, E. K., Thomas-Keprta, K. L.
Published in Science (American Association for the Advancement of Science) (20.09.1996)
Published in Science (American Association for the Advancement of Science) (20.09.1996)
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Journal Article
Indigenous Carbonaceous Matter in the Nakhla Mars Meteorite
Clemett, S J, Thomas-Keprta, K L, Rahman, Z, Le, L, Wentworth, S J, Gibson, E K, McKay, D S
Published in NASA Center for AeroSpace Information (CASI). Conference Proceedings (21.03.2016)
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Published in NASA Center for AeroSpace Information (CASI). Conference Proceedings (21.03.2016)
Conference Proceeding
Indigenous Carbonaceous Matter and Boron Associated with Halite Crystals in Nakhla
Thomas-Keprta, K L, Clemett, S J, McKay, D S, Gibson, E K, Wentworth, S J
Published in NASA Center for AeroSpace Information (CASI). Conference Proceedings (16.03.2015)
Get full text
Published in NASA Center for AeroSpace Information (CASI). Conference Proceedings (16.03.2015)
Conference Proceeding