Fossils & Paleontology Archives - Page 3 of 20 - Astrobiology

Assessment Of Methods For Evaluating Structural Stability Of Cell Envelope Fragments In Hypersaline Brines As Biosignatures Of Ancient Microbial Life

Fossils & Paleontology

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Fungi Set The Stage For Life On Land Hundreds Of Millions Of Years Earlier Than Thought

Origin & Evolution of Life

Fungi Set The Stage For Life On Land Hundreds Of Millions Of Years Earlier Than Thought

The First Animals On Earth May Have Been Sea Sponges, Study Suggests

Origin & Evolution of Life

The First Animals On Earth May Have Been Sea Sponges, Study Suggests

Minute Witnesses From Earth’s Primordial Sea

Origin & Evolution of Life

Minute Witnesses From Earth’s Primordial Sea

A Carbon Cycle Flaw Can Plunge Earth Into An Ice Age

Biogeochemical Cycles & Geobiology

A Carbon Cycle Flaw Can Plunge Earth Into An Ice Age

Shocked Quartz At The Younger Dryas Onset Supports Cosmic Airbursts/Impacts

Impact events

Shocked Quartz At The Younger Dryas Onset Supports Cosmic Airbursts/Impacts

Brine Composition And UV Photochemistry Effects On Halobacterium Salinarum Cell Envelope Biosignature Preservation

Extremeophiles and Extreme Environments

Brine Composition And UV Photochemistry Effects On Halobacterium Salinarum Cell Envelope Biosignature Preservation

Multiple Episodes of Fluid Alteration in Jezero Crater Indicated by MIST Mineral Identifications in PIXL XRF Data

Mars

Multiple Episodes of Fluid Alteration in Jezero Crater Indicated by MIST Mineral Identifications in PIXL XRF Data

ESA Away Team Training: Lunar Geology Lessons For Artemis

Away Teams & Field Reports

ESA Away Team Training: Lunar Geology Lessons For Artemis

The Biology, Microclimate, and Geology of a Distinctive Ecosystem Within the Sandstone of Hyper-Arid Timna Valley, Israel

Extremeophiles and Extreme Environments

The Biology, Microclimate, and Geology of a Distinctive Ecosystem Within the Sandstone of Hyper-Arid Timna Valley, Israel

Mid-Devonian Ocean Oxygenation Enabled The Expansion Of Animals Into Deeper-water Habitats

Biosignatures & Paleobiology

Mid-Devonian Ocean Oxygenation Enabled The Expansion Of Animals Into Deeper-water Habitats

Rosalind Franklin Astrobiology Rover May Find Martian Biosignatures Uncovered By Rockfalls And Ancient Floods

Mars

Rosalind Franklin Astrobiology Rover May Find Martian Biosignatures Uncovered By Rockfalls And Ancient Floods

Dynamic Deep Marine Oxygenation During The Early And Middle Paleozoic

Biosignatures & Paleobiology

Dynamic Deep Marine Oxygenation During The Early And Middle Paleozoic

Curiosity Rover ChemCam Views A Rock Shaped By Eons of Wind And Water

Mars

Curiosity Rover ChemCam Views A Rock Shaped By Eons of Wind And Water

Fossils Shed Light On The Era Before Earth’s Largest Mass Extinction

Fossils & Paleontology

Fossils Shed Light On The Era Before Earth’s Largest Mass Extinction

Studying Terrestrial Rocks To Prepare Techniques For Mars

Analog Studies

Studying Terrestrial Rocks To Prepare Techniques For Mars

Revisiting The Eoarchean Akilia Quartz-pyroxene Rock With Potassium Isotopes: Implications For Early-ocean Sedimentation

Biosignatures & Paleobiology

Revisiting The Eoarchean Akilia Quartz-pyroxene Rock With Potassium Isotopes: Implications For Early-ocean Sedimentation

Temperature-Sensitive Lipids Reveal Intraspecific Diversity in Bacteria Isolated from an Ancient Antarctic Microbial Mat

Arctic / Antarctic / Alpine

Temperature-Sensitive Lipids Reveal Intraspecific Diversity in Bacteria Isolated from an Ancient Antarctic Microbial Mat

The “Bagno dell’Acqua” Lake as a Novel Mars-like Analogue: Prebiotic Syntheses of PNA and RNA Building Blocks and Oligomers

Analog Studies

The “Bagno dell’Acqua” Lake as a Novel Mars-like Analogue: Prebiotic Syntheses of PNA and RNA Building Blocks and Oligomers

Ocean Sediments Might Support Theory That Comet Impact Triggered Younger Dryas Cool-off

Impact events

Ocean Sediments Might Support Theory That Comet Impact Triggered Younger Dryas Cool-off