Biosignatures Archives - Astrobiology

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CO2 Infrared Spectra On Silicate Dust Grain Analogs: Implications For JWST Observations

Astrogeology

CO2 Infrared Spectra On Silicate Dust Grain Analogs: Implications For JWST Observations

Sub-Neptunes Are Drier Than They Seem: Rethinking the Origins of Water-Rich Worlds

Water/Hycean Worlds & Oceanography

Sub-Neptunes Are Drier Than They Seem: Rethinking the Origins of Water-Rich Worlds

Was Mars Doomed To Be A Desert? Study Proposes A New Explanation

Mars

Was Mars Doomed To Be A Desert? Study Proposes A New Explanation

Prebiosignatures With The Habitable Worlds Observatory (HWO)

Biosignatures & Paleobiology

Prebiosignatures With The Habitable Worlds Observatory (HWO)

Detecting Land With Reflected Light Spectroscopy To Rule Out Waterworld O2 Biosignature False Positives

Biosignatures & Paleobiology

Detecting Land With Reflected Light Spectroscopy To Rule Out Waterworld O2 Biosignature False Positives

Origin Of The RNA World In Cold Hadean Geothermal Fields Enriched In Zinc And Potassium – Abiogenesis As A Positive Fallout From The Moon-Forming Impact?

Origin & Evolution of Life

Origin Of The RNA World In Cold Hadean Geothermal Fields Enriched In Zinc And Potassium – Abiogenesis As A Positive Fallout From The Moon-Forming Impact?

Did Iron Suppress Eukaryote Emergence and Early Radiation?

Origin & Evolution of Life

Did Iron Suppress Eukaryote Emergence and Early Radiation?

Persistent Nitrogenase Isotope Signatures Over Two Billion Years Of Engineered Evolution

Origin & Evolution of Life

Persistent Nitrogenase Isotope Signatures Over Two Billion Years Of Engineered Evolution

The Cambrian Explosion May Have Occurred Much Earlier Than Previously Thought

Origin & Evolution of Life

The Cambrian Explosion May Have Occurred Much Earlier Than Previously Thought

Investigating Silicate, Carbon, And Water In The Diffuse Interstellar Medium: The First Shots From WISCI

Astrochemistry

Investigating Silicate, Carbon, And Water In The Diffuse Interstellar Medium: The First Shots From WISCI

Micron-scale Crystals In Halite Are Proxies For Permian Acid Brines

Biosignatures & Paleobiology

Micron-scale Crystals In Halite Are Proxies For Permian Acid Brines

Curiosity Mars Rover Starts A Study Of Boxwork Region Formations

Mars

Curiosity Mars Rover Starts A Study Of Boxwork Region Formations

ChemOrigins: A Community Curated Database For Origins Of Life Chemistry

Biochemistry & Organic Chemistry

ChemOrigins: A Community Curated Database For Origins Of Life Chemistry

Thick Clay Layers On Mars May Have Been A Stable Place For Ancient Life

Mars

Thick Clay Layers On Mars May Have Been A Stable Place For Ancient Life

The Diversity of Exoplanetary Environments and the Search for Signs of Life Beyond Earth

Biosignatures & Paleobiology

The Diversity of Exoplanetary Environments and the Search for Signs of Life Beyond Earth

How Do Organic Molecules Survive in Space?

Astrochemistry

How Do Organic Molecules Survive in Space?

Ammonia Sets Limit To Life And Alters Physiology Independently Of pH In Halomonas Meridiana

Biophysics

Ammonia Sets Limit To Life And Alters Physiology Independently Of pH In Halomonas Meridiana

Differential Measurement of m_e/m_p: 3 mm Methanol Lines Toward Sagittarius B2(N) and (M) Molecular Clouds

Biosignatures & Paleobiology

Differential Measurement of m_e/m_p: 3 mm Methanol Lines Toward Sagittarius B2(N) and (M) Molecular Clouds

Alkali Phenoxides In Comets

Astrochemistry

Alkali Phenoxides In Comets

Key Building Block For Life Discovered In A Planet-forming Disk

Astrochemistry

Key Building Block For Life Discovered In A Planet-forming Disk