Proterozoic Archives - Astrobiology

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“Proterozoic”

Did Iron Suppress Eukaryote Emergence and Early Radiation?

News Summary Archives

Did Iron Suppress Eukaryote Emergence and Early Radiation?

When Tropical Oceans On Earth Were Oxygen Oases

Water/Hycean Worlds & Oceanography

When Tropical Oceans On Earth Were Oxygen Oases

Habitable Worlds Observatory Living Worlds Working Group: Surface Biosignatures on Potentially Habitable Exoplanets

Astronomy & Telescopes

Habitable Worlds Observatory Living Worlds Working Group: Surface Biosignatures on Potentially Habitable Exoplanets

Methanogens Through Geological Time And Space: Impact On Planetary Evolution and Significance For Life Beyond Earth

Microbiology & Virology

Methanogens Through Geological Time And Space: Impact On Planetary Evolution and Significance For Life Beyond Earth

Hot Springs In Japan Give Insight Into Ancient Microbial Life On Earth

Origin & Evolution of Life

Hot Springs In Japan Give Insight Into Ancient Microbial Life On Earth

Towards the Habitable Worlds Observatory: 1D CNN Retrieval of Reflection Spectra from Evolving Earth Analogs

Astronomy & Telescopes

Towards the Habitable Worlds Observatory: 1D CNN Retrieval of Reflection Spectra from Evolving Earth Analogs

Wavelength Requirements For Life Detection Via Reflected Light Spectroscopy Of Rocky Exoplanets

Biosignatures & Paleobiology

Wavelength Requirements For Life Detection Via Reflected Light Spectroscopy Of Rocky Exoplanets

Microbial N2O Reduction in Sulfidic Waters: Implications For Proterozoic Oceans

Origin & Evolution of Life

Microbial N2O Reduction in Sulfidic Waters: Implications For Proterozoic Oceans

Did Iron Suppress Eukaryote Emergence and Early Radiation?

Origin & Evolution of Life

Did Iron Suppress Eukaryote Emergence and Early Radiation?

Machine-assisted Classification Of Potential Biosignatures In Earth-like Exoplanets Using Low Signal-to-noise Ratio Transmission Spectra

Biosignatures & Paleobiology

Machine-assisted Classification Of Potential Biosignatures In Earth-like Exoplanets Using Low Signal-to-noise Ratio Transmission Spectra

Extending The Chart Of Life By Nearly 1.5 billion Years

Origin & Evolution of Life

Extending The Chart Of Life By Nearly 1.5 billion Years

Hematite U-Pb Dating Of Snowball Earth Meltwater Events

Biogeochemical Cycles & Geobiology

Hematite U-Pb Dating Of Snowball Earth Meltwater Events

The Detectability of CH4/CO2/CO and N2O Biosignatures through Reflection Spectroscopy of Terrestrial Exoplanets

Biosignatures & Paleobiology

The Detectability of CH4/CO2/CO and N2O Biosignatures through Reflection Spectroscopy of Terrestrial Exoplanets

Detectability Simulations of a NIR Surface Biosignature on Proxima Centauri b with Future Space Observatories

Proxima Centauri

Detectability Simulations of a NIR Surface Biosignature on Proxima Centauri b with Future Space Observatories

Retrievals Applied to a Decision Tree Framework Can Characterize Earthlike Exoplanet Analogs

Exoplanets, -moons, -comets

Retrievals Applied to a Decision Tree Framework Can Characterize Earthlike Exoplanet Analogs

Ancient Nitrogenases Are ATP Dependent

Biochemistry & Organic Chemistry

Ancient Nitrogenases Are ATP Dependent

New Vestiges Of The First Life On Earth Discovered In Saudi Arabia

Biosignatures & Paleobiology

New Vestiges Of The First Life On Earth Discovered In Saudi Arabia

Reflected Spectroscopy Of Small Exoplanets III: Probing The UV Band To Measure Biosignature Gasses

Imaging & Spectroscopy

Reflected Spectroscopy Of Small Exoplanets III: Probing The UV Band To Measure Biosignature Gasses

Did Phosphorous Trigger Blue Skies?

Biogeochemical Cycles & Geobiology

Did Phosphorous Trigger Blue Skies?