| Exoplanet Biosignatures: A Review of Remotely Detectable Signs of Life |
51 |
| The NASA Roadmap to Ocean Worlds |
32 |
| Exoplanet Biosignatures: Understanding Oxygen as a Biosignature in the Context of Its Environment |
29 |
| A Hydrothermal-Sedimentary Context for the Origin of Life |
24 |
| Exoplanet Biosignatures: Observational Prospects |
23 |
| The Ladder of Life Detection |
23 |
| Modeling Repeated M Dwarf Flaring at an Earth-like Planet in the Habitable Zone: Atmospheric Effects for an Unmagnetized Planet |
22 |
| The Habitability of Proxima Centauri b: Environmental States and Observational Discriminants |
21 |
| Habitable Climate Scenarios for Proxima Centauri b with a Dynamic Ocean |
21 |
| Venus' Spectral Signatures and the Potential for Life in the Clouds |
20 |
| Carbon Cycling and Habitability of Earth-Sized Stagnant Lid Planets |
15 |
| Geological and Geochemical Constraints on the Origin and Evolution of Life |
14 |
| Exoplanet Biosignatures: A Framework for Their Assessment |
14 |
| Constraining the Time Interval for the Origin of Life on Earth |
13 |
| Sulfidic Anion Concentrations on Early Earth for Surficial Origins-of-Life Chemistry |
13 |
| Hydrothermal Chemistry and the Origin of Cellular Life |
12 |
| The Dallol Geothermal Area, Northern Afar (Ethiopia)-An Exceptional Planetary Field Analog on Earth |
12 |
| The Role of N-2 as a Geo-Biosignature for the Detection and Characterization of Earth-like Habitats |
11 |
| Effects of Oxygen-Containing Salts on the Detection of Organic Biomarkers on Mars and in Terrestrial Analog Soils |
10 |
| Organic Haze as a Biosignature in Anoxic Earth-like Atmospheres |
10 |
| Enhanced Microbial Survivability in Subzero Brines |
10 |
| Relative Likelihood of Success in the Search for Primitive versus Intelligent Extraterrestrial Life |
9 |
| Vital Signs: Seismology of Icy Ocean Worlds |
9 |
| Deciphering Biosignatures in Planetary Contexts |
9 |
| Paleo-Rock-Hosted Life on Earth and the Search on Mars: A Review and Strategy for Exploration |
8 |
| Recovery of Fatty Acids from Mineralogic Mars Analogs by TMAH Thermochemolysis for the Sample Analysis at Mars Wet Chemistry Experiment on the Curiosity Rover |
8 |
| Fingerprinting Non-Terran Biosignatures |
8 |
| Exoplanet Biosignatures: Future Directions |
8 |
| Survival, DNA, and Ultrastructural Integrity of a Cryptoendolithic Antarctic Fungus in Mars and Lunar Rock Analogues Exposed Outside the International Space Station |
7 |
| Chemical and Optical Identification of Micrometer-Sized 1.9 Billion-Year-Old Fossils by Combining a Miniature Laser Ablation Ionization Mass Spectrometry System with an Optical Microscope |
7 |
| An Antarctic Extreme Halophile and Its Polyextremophilic Enzyme: Effects of Perchlorate Salts |
7 |
| Implications of Tides for Life on Exoplanets |
7 |
| The Coevolution of Life and Environment on Mars: An Ecosystem Perspective on the Robotic Exploration of Biosignatures |
6 |
| Was There an Early Habitability Window for Earth's Moon? |
6 |
| Enceladus: First Observed Primordial Soup Could Arbitrate Origin-of-Life Debate |
6 |
| Volcanogenic Pseudo-Fossils from the similar to 3.48 Ga Dresser Formation, Pilbara, Western Australia |
6 |
| Environmental Data and Survival Data of Deinococcus aetherius from the Exposure Facility of the Japan Experimental Module of the International Space Station Obtained by the Tanpopo Mission |
6 |
| Growth, Viability, and Death of Planktonic and Biofilm Sphingomonas desiccabilis in Simulated Martian Brines |
6 |
| Exoplanet Biosignatures: At the Dawn of a New Era of Planetary Observations |
6 |
| Strategies for Detecting Biological Molecules on Titan |
5 |
| Long-Term Planetary Habitability and the Carbonate-Silicate Cycle |
5 |
| Manganese Oxides Resembling Microbial Fabrics and Their Implications for Recognizing Inorganically Preserved Microfossils |
5 |
| Detecting Nonvolatile Life- and Nonlife-Derived Organics in a Carbonaceous Chondrite Analogue with a New Multiplex Immunoassay and Its Relevance for Planetary Exploration |
5 |
| Earth Without Life: A Systems Model of a Global Abiotic Nitrogen Cycle |
5 |
| Transport-Induced Spatial Patterns of Sulfur Isotopes (S-34) as Biosignatures |
5 |
| The BASALT Research Program: Designing and Developing Mission Elements in Support of Human Scientific Exploration of Mars |
5 |
| A Low-Diversity Microbiota Inhabits Extreme Terrestrial Basaltic Terrains and Their Fumaroles: Implications for the Exploration of Mars |
5 |
| The Intersection of Geology, Geochemistry, and Microbiology in Continental Hydrothermal Systems |
5 |
| Bacterial Growth in Chloride and Perchlorate Brines: Halotolerances and Salt Stress Responses of Planococcus halocryophilus |
5 |
| Prebiotic Chemistry of Pluto |
5 |
