biosignature Archives - Astrobiology

TAG

“biosignature”

NASA Uses Mineralogical Marker to Understand Ancient Martian Climate

Mars

NASA Uses Mineralogical Marker to Understand Ancient Martian Climate

Forgotten Fossil Helps Rewrite Part Of Animal Evolution

Fossils & Paleontology

Forgotten Fossil Helps Rewrite Part Of Animal Evolution

NASA’s Roman Mission Preps to Unveil New Populations of Faraway Worlds

Astronomy & Telescopes

NASA’s Roman Mission Preps to Unveil New Populations of Faraway Worlds

Near UV Stellar Activity and Brightness Fluctuations of the Alpha Centauri AB Star System from Weeks to Decades — Inputs for Reflected Light Spectroscopy with HWO

Alpha Centauri

Near UV Stellar Activity and Brightness Fluctuations of the Alpha Centauri AB Star System from Weeks to Decades — Inputs for Reflected Light Spectroscopy with HWO

Quantification Of Atmospheric Carbon Dioxide From The Geostationary Operational Environmental Satellite (GOES East)

Atmospheres, Climate, Weather

Quantification Of Atmospheric Carbon Dioxide From The Geostationary Operational Environmental Satellite (GOES East)

Orbital Biosignature Recon: NASA-developed AI Could Help Track Harmful Algae

Biosignatures & Paleobiology

Orbital Biosignature Recon: NASA-developed AI Could Help Track Harmful Algae

Microfossils interpreted as animal traces were actually algae and bactéria

Fossils & Paleontology

Microfossils interpreted as animal traces were actually algae and bactéria

Titan’s Organic World

Titan

Titan’s Organic World

Asteroid Sample Return Missions Are Critical For Understanding Our Solar System

Sample Return

Asteroid Sample Return Missions Are Critical For Understanding Our Solar System

Microbial Growth Rates Captured Using Raman-SIP reveal A Highly Active Subsurface Biosphere Fueled By Serpentinization

Biogeochemical Cycles & Geobiology

Microbial Growth Rates Captured Using Raman-SIP reveal A Highly Active Subsurface Biosphere Fueled By Serpentinization

HWO Target Stars and Systems: Activity and Rotation Catalog (ARC) of Potential Target Stars for the Habitable Worlds Observatory

Astronomy & Telescopes

HWO Target Stars and Systems: Activity and Rotation Catalog (ARC) of Potential Target Stars for the Habitable Worlds Observatory

Early Complex Earth Life Clung To Oxygenated Seafloors For Hundreds Of Millions Of Years

Origin & Evolution of Life

Early Complex Earth Life Clung To Oxygenated Seafloors For Hundreds Of Millions Of Years

The First Remotely Detected Biosignature May Not Be the Most Common: Implications for JWST and HWO

Biosignatures & Paleobiology

The First Remotely Detected Biosignature May Not Be the Most Common: Implications for JWST and HWO

A Framework For Evaluating Biosignature Potential Against The Abiotic Baseline On Ocean Worlds

Biosignatures & Paleobiology

A Framework For Evaluating Biosignature Potential Against The Abiotic Baseline On Ocean Worlds

Revisiting the Greenhouse Effect of Non-greenhouse Gases in the Atmospheres of Earth-like Planets

Exoplanets, -moons, -comets

Revisiting the Greenhouse Effect of Non-greenhouse Gases in the Atmospheres of Earth-like Planets

Isolating Broadband Radio Technosignatures (BRaTs): A Framework for Detecting Planetary-Scale Leakage

SETI & Technosignatures

Isolating Broadband Radio Technosignatures (BRaTs): A Framework for Detecting Planetary-Scale Leakage

Orbital Biosignature Assay: Phytoplankton Bloom Off The U.S. Mid-Atlantic Coast

Biosignatures & Paleobiology

Orbital Biosignature Assay: Phytoplankton Bloom Off The U.S. Mid-Atlantic Coast

Novel Chemical Pathways For The Formation Of Nucleobase Precursors Via Benzene π-Bond Addition To HCN

Biochemistry & Organic Chemistry

Novel Chemical Pathways For The Formation Of Nucleobase Precursors Via Benzene π-Bond Addition To HCN

Detecting Fundamental Chiral Biosignatures in the Ultraviolet Polarization Spectrum

Biochemistry & Organic Chemistry

Detecting Fundamental Chiral Biosignatures in the Ultraviolet Polarization Spectrum

Phase-Space Crystallization in Galactic Globular Clusters: A Gaia-Based Metric and Implications for Technosignature Searches

SETI & Technosignatures

Phase-Space Crystallization in Galactic Globular Clusters: A Gaia-Based Metric and Implications for Technosignature Searches