2024.
"Organic Products of Fatty Acid and Magnesium Sulfate Mixtures after Gamma Radiolysis: Implications for Missions to Europa."
Astrobiology 126 (4):
e2020JE006803 [Full Text]
[10.1089/ast.2024.0047]
[Journal Article/Letter]
2024.
"Rapid Destruction of Lipid Biomarkers Under Simulated Cosmic Radiation."
Astrobiology 24 (11):
1063-1073
[10.1089/ast.2024.0006]
[Journal Article/Letter]
2024.
"Highly enriched carbon and oxygen isotopes in carbonate-derived CO2 at Gale crater, Mars."
PNAS 121 (42):
e2321342121 [Full Text]
[10.1073/pnas.2321342121]
[Journal Article/Letter]
2024.
"Variable and Large Losses of Diagnostic Biomarkers After Simulated Cosmic Radiation Exposure in Clay- and Carbonate-Rich Mars Analog Samples."
Astrobiology
[10.1089/ast.2023.0123]
[Journal Article/Letter]
2024.
"Radiolytic Effects on Biological and Abiotic Amino Acids in Shallow Subsurface Ices on Europa and Enceladus."
Astrobiology 24 (7):
698-709
[10.1089/ast.2023.0120]
[Journal Article/Letter]
2024.
"Formation and Stability of Salty Soil Seals in Mars‐Like Conditions. Implications for Methane Variability on Mars."
Journal of Geophysical Research: Planets 129 (3):
[10.1029/2023je007841]
[Journal Article/Letter]
2022.
"Rapid Radiolytic Degradation of Amino Acids in the Martian Shallow Subsurface: Implications for the Search for Extinct Life."
Astrobiology 22 (9):
1099-1115 [Full Text]
[10.1089/ast.2021.0166]
[Journal Article/Letter]
2022.
"Diagnostic biosignature transformation under simulated martian radiation in organic-rich sedimentary rocks."
Frontiers in Astronomy and Space Sciences 9
[10.3389/fspas.2022.919828]
[Journal Article/Letter]
2022.
"Depleted carbon isotope compositions observed at Gale crater, Mars."
Proceedings of the National Academy of Sciences 119 (4):
e2115651119 [Full Text]
[10.1073/pnas.2115651119]
[Journal Article/Letter]
2018.
"Background levels of methane in Mars’ atmosphere show strong seasonal variations."
Science 360 (6393):
1093-1096
[10.1126/science.aaq0131]
[Journal Article/Letter]
2017.
"Large sulfur isotope fractionations in Martian sediments at Gale crater."
Nature Geoscience 10 658–662 [Full Text]
[10.1038/ngeo3002]
[Journal Article/Letter]
2015.
"Organic molecules in the Sheepbed Mudstone, Gale Crater, Mars."
Journal of Geophysical Research: Planets 120 (3):
495-514 [Full Text]
[10.1002/2014JE004737]
[Journal Article/Letter]
2015.
"The imprint of atmospheric evolution in the D/H of Hesperian clay minerals on Mars."
Science 347 (6220):
412-414 [Full Text]
[10.1126/science.1260291]
[Journal Article/Letter]
2014.
"Alteration of the carbon and nitrogen isotopic composition in the Martian surface rocks due to cosmic ray exposure."
Journal of Geophysical Research: Planets 119 (6):
1390-1402
[10.1002/2014je004615]
[Journal Article/Letter]
2014.
"Volatile and Organic Compositions of Sedimentary Rocks in Yellowknife Bay, Gale Crater, Mars."
Science 343 (6169):
1245267 [Full Text]
[doi:10.1126/science.1245267]
[Journal Article/Letter]
2014.
"Abundances and Implications of Volatile-bearing Species from Evolved Gas Analysis of the Rocknest Aeolian Deposit, Gale Crater, Mars."
Journal of Geophysical Research: Planets 119 (1):
237-254 [Full Text]
[10.1002/2013JE004493]
[Journal Article/Letter]
2013.
"A Habitable Fluvio-Lacustrine Environment at Yellowknife Bay, Gale Crater, Mars."
Science 343 (6169):
1242777-1242777
[10.1126/science.1242777]
[Journal Article/Letter]
2013.
"Volatile and Organic Compositions of Sedimentary Rocks in Yellowknife Bay, Gale Crater, Mars."
Science 343 (6169):
1245267-1245267
[10.1126/science.1245267]
[Journal Article/Letter]
2013.
"In Situ Radiometric and Exposure Age Dating of the Martian Surface."
Science 343 (6169):
1247166-1247166
[10.1126/science.1247166]
[Journal Article/Letter]
2013.
"Evidence for perchlorates and the origin of chlorinated hydrocarbons detected by SAM at the Rocknest aeolian deposit in Gale Crater."
Journal of Geophysical Research: Planets 118 (10):
1955-1973 [Full Text]
[10.1002/jgre.20144]
[Journal Article/Letter]
2013.
"Evidence for perchlorates and the origin of chlorinated hydrocarbons detected by SAM at the Rocknest aeolian deposit in Gale Crater."
J. Geophys. Res. 118 1955 – 1973
[10.1002/jgre.20144]
[Journal Article/Letter]
2013.
"Evidence for Perchlorates and the Origin of Chlorinated Hydrocarbons Detected by SAM at the Rocknest Aeolian Deposit in Gale Crater."
J. Geophys. Res. 118 1955-1973.
[Journal Article/Letter]
2009.
"Reduction in Haze Formation Rate on Prebiotic Earth in the Presence of Hydrogen."
Astrobiology 9 447 - 453
[Journal Article/Letter]
2006.
"Organic Haze on Titan and the Early Earth."
Proceedings of the National Academy of the Sciences 103 18035 - 18042
[Journal Article/Letter]
2005.
"Passing through a giant molecular cloud: “Snowball” glaciations produced by interstellar dust."
Geophysical Research Letters 32 (3):
[10.1029/2004gl021890]
[Journal Article/Letter]
2005.
"Catastrophic ozone loss during passage of the Solar system through an interstellar cloud. ."
Geophysical Research Letters 32
[10.1029/2004GL021601]
[Journal Article/Letter]
2004.
"Chemical Composition of Titan's Haze: Are PAH's present?."
Geophysical Research Letters 31 L17S08
[doi:10.1029/2004GL019859]
[Journal Article/Letter]
2004.
"Haze Aerosols in the Atmosphere of Early Earth: Manna from Heaven."
Astrobiology 4 409 - 419
[Journal Article/Letter]
2003.
"New insights into Archean sulfur cycle from mass-independent sulfur isotope records from the Hamersley Basin, Australia."
Earth and Planetary Science Letters 213 (1-2):
15-30
[10.1016/S0012-821X(03)00295-4]
[Journal Article/Letter]
2001.
"Organic haze in Earth’s early atmosphere: Source of low-13C Late Archean kerogens?."
Geology 29 1003-1006
[Journal Article/Letter]
