Earth Archives - Astrobiology

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Toward Inferring the Surface Fluxes of Biosignature Gases on Rocky Exoplanets from Telescope Spectra

Biochemistry & Organic Chemistry

Toward Inferring the Surface Fluxes of Biosignature Gases on Rocky Exoplanets from Telescope Spectra

What Triggered Earth’s Shift From A Greenhouse To An Icehouse Climate And The Onset Of The Late Paleozoic Ice Age?

Atmospheres, Climate, Weather

What Triggered Earth’s Shift From A Greenhouse To An Icehouse Climate And The Onset Of The Late Paleozoic Ice Age?

Homogeneous Accretion Of The Earth In The Inner Solar System

Meteorites & Asteroids

Homogeneous Accretion Of The Earth In The Inner Solar System

Deep Microbial Colonization in 2-Billion-Year-Old Ultramafic Rock from the Bushveld Complex

Biosignatures & Paleobiology

Deep Microbial Colonization in 2-Billion-Year-Old Ultramafic Rock from the Bushveld Complex

From Early Earth to Enceladus – Mineral Electrochemistry Could Drive Organic Synthesis

Biophysics

From Early Earth to Enceladus – Mineral Electrochemistry Could Drive Organic Synthesis

Our Home World As Seen From Spaceship Integrity During Artemis II

Gaia - Planetary Perspectives

Our Home World As Seen From Spaceship Integrity During Artemis II

Habitability Study of Terrestrial Planets: Application to Venus-like Worlds

Habitable Zones

Habitability Study of Terrestrial Planets: Application to Venus-like Worlds

Earth Formed From Local Building Blocks

Astrogeology

Earth Formed From Local Building Blocks

Interaction Between Vegetation And Snowball Phases In The Late Proterozoic Earth

Icy Worlds

Interaction Between Vegetation And Snowball Phases In The Late Proterozoic Earth

Icelandic Hot Springs as a Prebiotic Analog: Wet-Dry Cycling Effects on the Stability of Nucleotides and Nucleic Acids

Analog Studies

Icelandic Hot Springs as a Prebiotic Analog: Wet-Dry Cycling Effects on the Stability of Nucleotides and Nucleic Acids

Study Shows Movement Of Tectonic Plates 3.5 Billion Years Ago

Gaia - Planetary Perspectives

Study Shows Movement Of Tectonic Plates 3.5 Billion Years Ago

Not Earth-like Yet Temperate? More Generic Climate Feedback Configurations Still Allow Temperate Climates in Habitable Zone Exo-Earth Candidates

Habitable Zones

Not Earth-like Yet Temperate? More Generic Climate Feedback Configurations Still Allow Temperate Climates in Habitable Zone Exo-Earth Candidates

Extensive Freshened Water Beneath Earth’s Ocean Floor Confirmed For The First Time

Water/Hycean Worlds & Oceanography

Extensive Freshened Water Beneath Earth’s Ocean Floor Confirmed For The First Time

The Efficient Delivery Of Highly-siderophile Elements To The Core Creates A Mass Accretion Catastrophe For The Earth

Astrogeology

The Efficient Delivery Of Highly-siderophile Elements To The Core Creates A Mass Accretion Catastrophe For The Earth

Life Forms Can Planet Hop On Asteroid Debris – And Survive

Panspermia

Life Forms Can Planet Hop On Asteroid Debris – And Survive

Similarities Between Auroras On Ganymede And Earth

Ganymede

Similarities Between Auroras On Ganymede And Earth

What To Make Of The Earth’s Curiously Intermediate Land Fraction?

Water/Hycean Worlds & Oceanography

What To Make Of The Earth’s Curiously Intermediate Land Fraction?

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

Origin & Evolution of Life

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

Possible Favored Great Oxidation Event Scenario On Exoplanets Around M-Stars With The Example Of TRAPPIST-1e

News Summary Archives

Possible Favored Great Oxidation Event Scenario On Exoplanets Around M-Stars With The Example Of TRAPPIST-1e

How Earth’s Greenhouse Age Ended 66 Million Years Ago

Atmospheres, Climate, Weather

How Earth’s Greenhouse Age Ended 66 Million Years Ago