biosignature Archives - Astrobiology

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“biosignature”

General Relativity Can Prevent a Runaway Greenhouse on Potentially Habitable Planets Orbiting White Dwarfs

Habitable Zones

General Relativity Can Prevent a Runaway Greenhouse on Potentially Habitable Planets Orbiting White Dwarfs

The Interstellar Heritage Of Comets

Comets and Asteroids

The Interstellar Heritage Of Comets

Transition Metal Abundance As A Key Parameter For The Search Of Life In The Universe

Astrochemistry

Transition Metal Abundance As A Key Parameter For The Search Of Life In The Universe

The Molecular Inventory of TMC-1 with GOTHAM Observations

Astrochemistry

The Molecular Inventory of TMC-1 with GOTHAM Observations

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

Spectra Of Earth-like Exoplanets With Different Rotation Periods

Exoplanets, -moons, -comets

Spectra Of Earth-like Exoplanets With Different Rotation Periods

Astroclimes — Measuring The Abundance Of CO2 And CH4 In The Earth’s Atmosphere Uusing Astronomical Observations

Atmospheres, Climate, Weather

Astroclimes — Measuring The Abundance Of CO2 And CH4 In The Earth’s Atmosphere Uusing Astronomical Observations

Discovery Links Microbial Colonization To An Ancient Meteorite Crater

Impact events

Discovery Links Microbial Colonization To An Ancient Meteorite Crater

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

Reassessment Of Kepler’s Habitable Zone Earth-like Exoplanets With Data-driven Null-signal Templates

Habitable Zones

Reassessment Of Kepler’s Habitable Zone Earth-like Exoplanets With Data-driven Null-signal Templates

Researchers Uncover Potential Biosignatures On Mars

Mars

Researchers Uncover Potential Biosignatures On Mars

NASA Mars News On Wednesday (Sneak Peek?)

Mars

NASA Mars News On Wednesday (Sneak Peek?)

JWST-TST DREAMS: Secondary Atmosphere Constraints for the Habitable Zone Planet TRAPPIST-1 e

TRAPPIST-1

JWST-TST DREAMS: Secondary Atmosphere Constraints for the Habitable Zone Planet TRAPPIST-1 e

JWST-TST DREAMS: NIRSpec/PRISM Transmission Spectroscopy of the Habitable Zone Planet TRAPPIST-1 e

TRAPPIST-1

JWST-TST DREAMS: NIRSpec/PRISM Transmission Spectroscopy of the Habitable Zone Planet TRAPPIST-1 e

First Detection Of Ethylene Oxide And Acetaldehyde In Hot Core G358.93−0.03 MM1: Tracing Prebiotic Oxygen Chemistry

Astrochemistry

First Detection Of Ethylene Oxide And Acetaldehyde In Hot Core G358.93−0.03 MM1: Tracing Prebiotic Oxygen Chemistry

Dynamic Deep Marine Oxygenation During The Early And Middle Paleozoic

Biosignatures & Paleobiology

Dynamic Deep Marine Oxygenation During The Early And Middle Paleozoic

Binding Energy Distributions Of Alcohols, Thiols, And Their Precursors On Interstellar Water Ice Surfaces

Astrochemistry

Binding Energy Distributions Of Alcohols, Thiols, And Their Precursors On Interstellar Water Ice Surfaces

Orbital Biosignature Recon: Algae Bloom Chlorophyll Near South Australia

Biosignatures & Paleobiology

Orbital Biosignature Recon: Algae Bloom Chlorophyll Near South Australia

A Slice of Ice On Mars

Mars

A Slice of Ice On Mars

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

Microbiology & Virology

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