TL
Timothy W. Lyons
astro-ph.EPBiological EvolutionFossilsEarth, PlanetExobiologyoxygenOxygenExtraterrestrial EnvironmentoxygenationOrigin of Life
On Valency
published · living versionsW_jjtugjwr·v1 · currentpublished
Exoplanet Biosignatures: Understanding Oxygen as a Biosignature in the Context of Its Environment
with Victoria S. Meadows, Christopher T. Reinhard, Giada N. Arney, Mary N. Parenteau +11
1 version
Preprints & journals
117 papers in the corpus · 2004–2026The Emergence of Life in the Light of Evolution.42389247 · Kaçar, Betül, Williams, Tom A, Eme, Laura et al.2026 · 0 citationsArXiv. 2026
White Paper on Phototrophic Biosignatures: Research Priorities for the Search for Life on Other Worlds2607.03106v1 · Nancy Y. Kiang, Christopher Gisriel, Robert E. Blankenship et al.2026 · 0 citationsarXiv
Introduction to the Special Collection: Early Earth Environments and the Origins of Life.42334370 · Lyons, Timothy W, Krishnamurthy, Ramanarayanan, Rogers, Karyn L et al.2026 · 0 citationsAstrobiology. 2026;26(7-8):507-509
Ultraviolet-Driven Atmospheric Degeneracies Challenge Conventional Biosignature Frameworks for Terrestrial Planets with Ultracool M Dwarf Hosts: An Archean-Analog TRAPPIST-1 e Case Study2606.05451v1 · Evan L. Sneed, Edward W. Schwieterman, Sarah R. Peacock et al.2026 · 0 citationsarXiv
Interplay of Metals and Organics in E-Cigarette Aerosols Enhances the Production of Reactive Oxygen Species within Ultrafine Particles: Implications for Passive Vaping Exposures.41467792 · Woo, Wonsik, Tian, Linhui, Diamond, Charles et al.2026 · 5 citationsEnvironmental science & technology. 2026;60(1):949-958
Wild, scenic, and toxic: Recent degradation of an iconic Arctic watershed with permafrost thaw.40920934 · Sullivan, Patrick F, Dial, Roman J, Cooper, David J et al.2025 · 11 citationsProceedings of the National Academy of Sciences of the United States of America. 2025;122(37):e2425644122
Two-billion-year transitional oxygenation of the Earth's surface.40866706 · Wang, Haiyang, Li, Chao, Peng, Yongbo et al.2025 · 26 citationsNature. 2025;645(8081):665-671
Impacts on Sedimentary Microbial Communities Related to Temporal Changes in Trace Metal Concentrations.40629713 · Jones, Christopher K, Labonté, Jessica M, Haygood, Lauren A et al.2025 · 4 citationsGeobiology. 2025;23(4):e70027
Author Correction: Nutrient loading as a key cause of short- and long-term anthropogenic ecological degradation of the Salton Sea.40425674 · Hung, Caroline, Diamond, Charles, Sinclair, Ryan et al.2025 · 0 citationsScientific reports. 2025;15(1):18555
Correction: Diversity of sulfur cycling halophiles within the Salton Sea, California's largest lake.40253316 · Freund, Linton, Hung, Caroline, Topacio, Talyssa M et al.2025 · 0 citationsBMC microbiology. 2025;25(1):225
Archean Methane Cycling and Life's Co-Evolution: Intertwining Early Biogeochemical Processes and Ancient Microbial Metabolism2503.21919v1 · Saleheh Ebadirad, Timothy W. Lyons, Gregory P. Fournier2025 · 1 citationarXiv
Diversity of sulfur cycling halophiles within the Salton Sea, California's largest lake.40045185 · Freund, Linton, Hung, Caroline, Topacio, Talyssa M et al.2025 · 7 citationsBMC microbiology. 2025;25(1):120
Elevated δ15N Linked to Inhibited Nitrification Coupled to Ammonia Volatilization in Sediments of Shallow Alkaline-Hypersaline Lakes.40184035 · Tino, Christopher J, Stüeken, Eva E, Gregory, Daniel D et al.2025 · 4 citationsGeobiology. 2025;23(2):e70018
Downregulation of Parahippocampal Copper Chaperone for Superoxide Dismutase in Alzheimer's Disease.40149738 · Sanchez, Nicholas, Boskovic, Danilo S, Diamond, Charles W et al.2026 · 3 citationsBrain sciences. 2025;15(3)
Nutrient loading as a key cause of short- and long-term anthropogenic ecological degradation of the Salton Sea.39732884 · Hung, Caroline, Diamond, Charles, Sinclair, Ryan et al.2024 · 12 citationsScientific reports. 2024;14(1):31247
Our Solar System Neighborhood: Three Diverging Tales of Planetary Habitability and Windows to Earth's Past and Future2411.01150v1 · Stephen R. Kane, Richard Ernst, Cedric Gillmann et al.2024 · 1 citationarXiv
Setting the stage: Building and maintaining a habitable world and the early conditions that could favor life's beginnings on Earth and beyond2410.23344v1 · Christopher K Jones, Michaela Leung, Chenyi Tu et al.2024 · 0 citationsarXiv
A Machine-Learning Approach to Biosignature Exploration on Early Earth and Mars Using Sulfur Isotope and Trace Element Data in Pyrite.39453409 · Figueroa, Maria C, Gregory, Daniel D, Williford, Kenneth H et al.2024 · 10 citationsAstrobiology. 2024;24(11):1110-1127
Co-evolution of early Earth environments and microbial life.38811839 · Lyons, Timothy W, Tino, Christopher J, Fournier, Gregory P et al.2024 · 130 citationsNature reviews. Microbiology. 2024;22(9):572-586
Transient fertilization of a post-Sturtian Snowball ocean margin with dissolved phosphate by clay minerals.38110448 · Fru, Ernest Chi, Bahri, Jalila Al, Brosson, Christophe et al.2023 · 14 citationsNature communications. 2023;14(1):8418
Are Large Sulfur Isotope Variations Biosignatures in an Ancient, Impact-Induced Hydrothermal Mars Analog?37498995 · Tino, Christopher J, Stüeken, Eva E, Arp, Gernot et al.2026 · 10 citationsAstrobiology. 2023;23(10):1027-1044
Uncovering the Ediacaran phosphorus cycle.37258677 · Dodd, Matthew S, Shi, Wei, Li, Chao et al.2023 · 100 citationsNature. 2023;618(7967):974-980
Technical comment on "Reexamination of 2.5-Ga 'whiff' of oxygen interval points to anoxic ocean before GOE".37027472 · Anbar, Ariel D, Buick, Roger, Gordon, Gwyneth W et al.2023 · 23 citationsScience advances. 2023;9(14):eabq3736
Evaluating the Plausible Range of N2O Biosignatures on Exo-Earths: An Integrated Biogeochemical, Photochemical, and Spectral Modeling Approach2210.01669v1 · Edward W. Schwieterman, Stephanie L. Olson, Daria Pidhorodetska et al.2022 · 31 citationsApJ, 937, 109 (2022)
Reconstructing Earth's atmospheric oxygenation history using machine learning.36195593 · Chen, Guoxiong, Cheng, Qiuming, Lyons, Timothy W et al.2022 · 73 citationsNature communications. 2022;13(1):5862
Frontiers in Prebiotic Chemistry and Early Earth Environments.35796897 · Müller, Ulrich F, Elsila, Jamie, Trail, Dustin et al.2022 · 5 citationsOrigins of life and evolution of the biosphere : the journal of the International Society for the Study of the Origin of Life. 2022;52(1-3):165-181
Proterozoic supercontinent break-up as a driver for oxygenation events and subsequent carbon isotope excursions.36713325 · Eguchi, James, Diamond, Charles W, Lyons, Timothy W2023 · 14 citationsPNAS nexus. 2022;1(2):pgac036
Strong evidence for a weakly oxygenated ocean-atmosphere system during the Proterozoic.35101984 · Wang, Changle, Lechte, Maxwell A, Reinhard, Christopher T et al.2022 · 56 citationsProceedings of the National Academy of Sciences of the United States of America. 2022;119(6)
A ∼60-Ma-long, high-resolution record of Ediacaran paleotemperature.36546024 · Chang, Biao, Li, Chao, Algeo, Thomas J et al.2022 · 9 citationsScience bulletin. 2022;67(9):910-913
Reconciling evidence of oxidative weathering and atmospheric anoxia on Archean Earth.34586856 · Johnson, Aleisha C, Ostrander, Chadlin M, Romaniello, Stephen J et al.2023 · 63 citationsScience advances. 2021;7(40):eabj0108
Introduction-First Billion Years: Habitability.34406807 · Rivera-Valentín, Edgard G, Filiberto, Justin, Lynch, Kennda L et al.2021 · 4 citationsAstrobiology. 2021;21(8):893-905
Oxygenation, Life, and the Planetary System during Earth's Middle History: An Overview.34314605 · Lyons, Timothy W, Diamond, Charles W, Planavsky, Noah J et al.2021 · 210 citationsAstrobiology. 2021;21(8):906-923
Crisis at the Salton Sea: The Vital Role of Sciencex59909 · Marilyn Fogel, Hoori Ajami, Emma Aronson et al.2021 · 8 citationsEarthArXiv
Shedding light on manganese cycling in the early oceans.33046657 · Lyons, Timothy W, Diamond, Charles W, Konhauser, Kurt O2020 · 30 citationsProceedings of the National Academy of Sciences of the United States of America. 2020;117(42):25960-25962
Constraining Prebiotic Chemistry Through a Better Understanding of Earth's Earliest Environments2008.04803v1 · Timothy W. Lyons, Karyn Rogers, Ramanarayanan Krishnamurthy et al.2020 · 6 citationsarXiv
Exogeoscience and Its Role in Characterizing Exoplanet Habitability and the Detectability of Life2007.08665v3 · Cayman T. Unterborn, Paul K. Byrne, Ariel D. Anbar et al.2020 · 3 citationsarXiv
Massive formation of early diagenetic dolomite in the Ediacaran ocean: Constraints on the "dolomite problem".32513736 · Chang, Biao, Li, Chao, Liu, Deng et al.2020 · 153 citationsProceedings of the National Academy of Sciences of the United States of America. 2020;117(25):14005-14014
Nitrogen isotope ratios trace high-pH conditions in a terrestrial Mars analog site.32133401 · Stüeken, Eva E, Tino, Christopher, Arp, Gernot et al.2020 · 50 citationsScience advances. 2020;6(9):eaay3440
Correlation between biomarkers of exposure, effect and potential harm in the urine of electronic cigarette users.32079607 · Sakamaki-Ching, Shane, Williams, Monique, Hua, My et al.2021 · 57 citationsBMJ open respiratory research. 2020;7(1)
Dust Sources in the Salton Sea Basin: A Clear Case of an Anthropogenically Impacted Dust Budget.31339712 · Frie, Alexander L, Garrison, Alexis C, Schaefer, Michael V et al.2019 · 39 citationsEnvironmental science & technology. 2019;53(16):9378-9388
The Need for Laboratory Measurements and Ab Initio Studies to Aid Understanding of Exoplanetary Atmospheres1905.07064v1 · Jonathan J. Fortney, Tyler D. Robinson, Shawn Domagal-Goldman et al.2019 · 25 citationsarXiv
Rethinking CO Antibiosignatures in the Search for Life Beyond the Solar System1903.07661v1 · Edward W. Schwieterman, Christopher T. Reinhard, Stephanie L. Olson et al.2019 · 41 citationsApJ, 874, 9 (2019)
The remote detectability of Earth's biosphere through time and the importance of UV capability for characterizing habitable exoplanets1903.05611v1 · Christopher T. Reinhard, Edward W. Schwieterman, Stephanie L. Olson et al.2019 · 7 citationsarXiv
Carbonate formation in salt dome cap rocks by microbial anaerobic oxidation of methane.30778057 · Caesar, K H, Kyle, J R, Lyons, T W et al.2019 · 55 citationsNature communications. 2019;10(1):808
A Limited Habitable Zone for Complex Life1902.04720v2 · Edward W. Schwieterman, Christopher T. Reinhard, Stephanie L. Olson et al.2019 · 54 citations2019, ApJ, 878, 19
Organism motility in an oxygenated shallow-marine environment 2.1 billion years ago.30808737 · El Albani, Abderrazak, Mangano, M Gabriela, Buatois, Luis A et al.2019 · 77 citationsProceedings of the National Academy of Sciences of the United States of America. 2019;116(9):3431-3436
Absence of biomarker evidence for early eukaryotic life from the Mesoproterozoic Roper Group: Searching across a marine redox gradient in mid-Proterozoic habitability.30629323 · Nguyen, Kevin, Love, Gordon D, Zumberge, J Alex et al.2019 · 55 citationsGeobiology. 2019;17(3):247-260
Early Earth and the rise of complex life.32412610 · Lyons, Timothy W, Droser, Mary L, Lau, Kimberly V et al.2020 · 5 citationsEmerging topics in life sciences. 2018;2(2):121-124
Dynamic oxygen and coupled biological and ecological innovation during the second wave of the Ediacara Biota.32412611 · Evans, Scott D, Diamond, Charles W, Droser, Mary L et al.2020 · 51 citationsEmerging topics in life sciences. 2018;2(2):223-233
Mid-Proterozoic redox evolution and the possibility of transient oxygenation events.32412618 · Diamond, Charles W, Lyons, Timothy W2020 · 49 citationsEmerging topics in life sciences. 2018;2(2):235-245
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