Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Mars, Missions & Hardware, Planetary Protection & Biosafety, Robotics/Rovers/UAVs, Sample Return, Status Report

Desorption of Terrestrial Noble Gases in Mars 2020 Sample Tubes: Implications for Mars Sample Return

The Mars Sample Return (MSR) Campaign aims to collect and transport to Earth samples of martian atmosphere contained in sample tubes onboard the Mars 2020 rover, Perseverance. Understanding and mitigating […]

Posted inAtmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Origin & Evolution of Life, Status Report

From Polymerization-Enabled Folding and Assembly to Chemical Evolution: Key Processes for Emergence of Functional Polymers in the Origin of Life

Chemical and geological processes on prebiotic Earth are believed to have resulted in the emergence of life through the increasing organization and functionality of organic molecules.

Posted inAnalog Studies, Away Teams & Field Reports, Exploration Gear & Tech, Life Support Systems, Mars, Microbiology & Virology, Missions & Hardware, Planetary Protection & Biosafety, Robotics/Rovers/UAVs, Sample Return, Status Report

Planetary Protection Knowledge Gap Closure Enabling Crewed Missions to Mars

As focus for exploration of Mars transitions from current robotic explorers to development of crewed missions, it remains important to protect the integrity of scientific investigations at Mars, as well […]

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biophysics, Biosignatures & Paleobiology, Cryobiology, Microbiology & Virology, Planetary Protection & Biosafety, Sample Return, Status Report

Characterizing Microbial Communities in >7000- and >180,000-Year-Old Antarctic Permafrost Using a Low-Biomass Decontamination Protocol

The McMurdo Dry Valleys may harbor diverse surface microbial communities, yet little is known about subsurface microorganisms in permafrost and their potential for paleoecological reconstruction.

Posted inAnalog Studies, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Cryobiology, Genomics, Proteomics, Bioinformatics, Habitable Zones, Icy Worlds, Mars, Origin & Evolution of Life, Status Report

Slow Radiolysis of Amino Acids in Mars-Like Permafrost Conditions: Applications to the Search for Extant Life on Mars

Future missions dedicated to the search for extant life on Mars will require a clear understanding of the organic biosignature degradation processes in the shallow icy subsurface.

Posted inBiochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Exploration Gear & Tech, Status Report, Tricorders & Sensors

Life Detection Knowledge Base: A Community Tool for Knowledge Management and Representation

The Life Detection Knowledge Base (LDKB; https://lifedetectionforum.com/ldkb) is a community-owned web resource that is designed to facilitate the infusion of astrobiology knowledge and expertise into the conceptualization and design of […]

Gift this article