Posted inAstrochemistry, Atmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Genomics, Proteomics, Bioinformatics, Habitable Zones, Impact events, Meteorites & Asteroids, Origin & Evolution of Life, Status Report

Atmospheric Supply Of HCN Is Not The Rate Limiting Step For Prebiotic Chemistry Across Rocky Exoplanets

Hydrogen cyanide (HCN) is crucial for the RNA World hypothesis, forming biomolecules essential for early life.

Posted inAstrogeology, Biophysics, Biosignatures & Paleobiology, Comets and Asteroids, Fossils & Paleontology, Impact events, Meteorites & Asteroids, Microbiology & Virology, Origin & Evolution of Life, Panspermia, Press Release

Life Forms Can Planet Hop On Asteroid Debris – And Survive

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets – including Earth – and survive, a new Johns Hopkins University study finds.

Posted inAstrochemistry, Astrogeology, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Genomics, Proteomics, Bioinformatics, Habitable Zones, Impact events, Origin & Evolution of Life, Panspermia, Sample Return, Status Report

Experimental And Numerical Modeling Of Liposome Congregation In Meteorite Craters Of Early Earth

This paper provides experimental and numerical evidence supporting the occurrence of liposome congregation at the floors of meteor craters on Early Earth.

Posted inAway Teams & Field Reports, Biogeochemical Cycles & Geobiology, Comets and Asteroids, Extinction events, Fossils & Paleontology, Habitable Zones, Impact events, Press Release, Sample Return, Water/Hycean Worlds & Oceanography

Hydrothermal System Helped Life Recover After Dino-Killing Asteroid

About 66 million years ago, an asteroid slammed into the planet, wiping out all non-avian dinosaurs and about 70% of all marine species. But according to new research, the crater […]

Posted inAstrogeology, Away Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Extinction events, Gaia - Planetary Perspectives, Habitable Zones, Impact events, Meteorites & Asteroids, Microbiology & Virology, Origin & Evolution of Life, Polar / Alpine Expeditions, Status Report, Video, Audio, Webcasts, Podcasts

EAI Seminar: Deep Microbial Colonization During Impact-generated Hydrothermal Circulation Of Impact Structures (Video)

Henrik Drake, Professor, Linnaeus University, SwedenTuesday 10th February 2016, 16:00 CET

Posted inAtmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Fossils & Paleontology, Genomics, Proteomics, Bioinformatics, Habitable Zones, Impact events, Mapping, Geodesy, Cartography, Bathymetry, Nomenclature, Systematics, Natural History, Origin & Evolution of Life, Status Report

What The Earliest Evidence For Life Tells Us About The Early Evolution Of The Biosphere

Life emerged on Earth in an ultramafic world under anaerobic conditions and conditioned by particular environmental characteristics for which no record remains.

Posted inAstrochemistry, Astrogeology, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Impact events, Origin & Evolution of Life, Panspermia, Status Report

High-Pressure Torsion-Induced Transformation of Adenosine Monophosphate: Insights into Prebiotic Chemistry of RNA by Astronomical Impacts

The origin of life is yet a compelling scientific mystery that has sometimes been attributed to high-pressure impacts by small solar system bodies such as comets, meteoroids, asteroids, and transitional […]

Posted inAstrochemistry, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Impact events, Origin & Evolution of Life, Panspermia, Press Release

Earth’s Ancient Atmosphere May Have Rained Down The Key Ingredients For Life

New research published in Proceedings of the National Academy of Sciences reveals that Earth’s ancient atmosphere may have acted as a global chemical factory, naturally producing sulfur-containing molecules that would […]

Posted inAstrochemistry, Astrogeology, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Comets and Asteroids, Imaging & Spectroscopy, Impact events, Meteorites & Asteroids, Origin & Evolution of Life, Panspermia, Status Report

Potential Metabolic Viability On Asteroid Chemistry

While it has been long supposed that asteroids played a role in the delivery of important prebiotic compounds to early Earth, the exact nature of the interactions between asteroidal material […]

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