Posted inCryobiology, Extinction events, Gaia - Planetary Perspectives, Genomics, Proteomics, Bioinformatics, Habitable Zones, Life Support Systems, Panspermia, Planetary Protection & Biosafety, Sample Return, Societal Issues, Status Report, Terraforming & Geoengineering

Safeguarding Earth’s Biodiversity By Creating A Lunar Biorepository

Earth’s biodiversity is increasingly threatened and at risk. We propose a passive lunar biorepository for long-term storage of prioritized taxa of live cryopreserved samples to safeguard Earth’s biodiversity and to […]

Posted inAstrochemistry, Atmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Habitable Zones, Imaging & Spectroscopy, Origin & Evolution of Life, Planetary Protection & Biosafety, Press Release, Sample Return, Terraforming & Geoengineering, Venus

Simple Lipids Form Stable Higher-order Structures In Concentrated Sulfuric Acid

Venus has become a target of astrobiological interest because it is physically accessible to direct exploration, unlike exoplanets. So far this interest has been motivated not by the explicit expectation […]

Posted inCryobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Habitable Zones, Icy Worlds, Microbiology & Virology, Microgravity, Panspermia, Planetary Protection & Biosafety, Radiation, Status Report

Antioxidant Defense in the Toughest Animals on the Earth: Its Contribution to the Extreme Resistance of Tardigrades

Tardigrades are unique among animals in their resistance to dehydration, mainly due to anhydrobiosis and tun formation. They are also very resistant to high-energy radiation, low and high temperatures, low […]

Posted inGenomics, Proteomics, Bioinformatics, Habitable Zones, Microbiology & Virology, Nanotechnology & SynBio, Panspermia, Planetary Protection & Biosafety, Radiation, Status Report

Insights Into The Synthesis, Engineering, And Functions Of Microbial Pigments In Deinococcus Bacteria

The ability of Deinococcus bacteria to survive in harsh environments, such as high radiation, extreme temperature, and dryness, is mainly attributed to the generation of unique pigments, especially carotenoids.

Posted inBiosignatures & Paleobiology, Comets and Asteroids, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Meteorites & Asteroids, Microbiology & Virology, Planetary Protection & Biosafety, Reports, Roadmaps, & Plans, Sample Return, Societal Issues, Space Life Science, Status Report

Design, Development, And Operation Of An ISO Class 5 Cleanroom For Planetary Instrumentation And Planetary Protection Protocols

Cleanrooms are controlled environments where the number of airborne particles is reduced to a level defined by an International Organization for Standardization (ISO) standard. These facilities have applications in different […]

Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Gaia - Planetary Perspectives, Microbiology & Virology, Origin & Evolution of Life, Panspermia, Planetary Protection & Biosafety, Press Release

Microorganisms Can Travel Vast Distances In Earth’s Troposphere

Analysis of air samples taken at altitudes of up to 3,000 metres above Japan has revealed the presence of a vast range of viable bacteria and fungi transported by air […]

Posted inBiosignatures & Paleobiology, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Mars, Microbiology & Virology, Missions & Hardware, Panspermia, Planetary Protection & Biosafety, Sample Return, Status Report

Planetary Protection: Extremophilic Bacteria Isolated from the NASA Phoenix Mission Spacecraft Assembly Cleanrooms

Human-designed oligotrophic environments, such as cleanrooms, harbor unique microbial communities shaped by selective pressures like temperature, humidity, nutrient availability, cleaning reagents, and radiation. During the Phoenix spacecraft mission, genomes of […]

Posted inAtmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Habitable Zones, Icy Worlds, Origin & Evolution of Life, Planetary Protection & Biosafety, Press Release, ROVs/Submersibles/Diving, Sample Return, Water/Hycean Worlds & Oceanography

Oxygen Produced In The Deep Sea Raises Questions About Extraterrestrial Life

Over 12,000 feet below the surface of the sea, in a region of the Pacific Ocean known as the Clarion-Clipperton Zone (CCZ), million-year-old rocks cover the seafloor. These rocks may […]

Posted inConferences and Meetings, Exploration Gear & Tech, Microbiology & Virology, Missions & Hardware, NASA Astrobiology Program, Planetary Protection & Biosafety, Status Report

Call for Abstracts: NASA SMD Virtual Workshop on Planetary Protection

Our second Science Mission Directorate virtual event, a three-day workshop, will take place from October 30th – November 1st. We are currently accepting abstracts from the community to introduce mission […]

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