Science ❯Astrobiology

Extraterrestrial Life

Habitability Mars Habitability Mars Exploration Planetary Conditions Mars Ocean Worlds Alien Technology Microbial Life Biosignatures Planetary Atmospheres

JWST Narrows TRAPPIST-1e’s Atmosphere, Pointing to Nitrogen-Rich Air

Two peer-reviewed JWST studies find spectra consistent with a heavier, nitrogen-rich atmosphere, with confirmation pending due to stellar noise.

Perseverance Finds Most Compelling Potential Biosignature Yet in Mars Rock

Perseverance Identifica Su Mejor Candidata a Biofirma en Marte Tras Estudio Revisado en Nature

SwRI Says Interstellar Comet Flybys Are Achievable as 3I/ATLAS Defies Expectations

Gemini Images Show 3I/ATLAS Growing a Tail, Underscoring Natural Comet Status

New Spectra Show 3I/ATLAS Is a Carbon‑Chain–Depleted Interstellar Comet With Weak CN Emission

New Rectangular Space Telescope Concept Targets Earth-Like Planets Within 30 Light-Years

UCL Team Shows Simple Chemistry Can Link Amino Acids to RNA and Build Peptides

Webb and SPHEREx Map CO2‑Dominated Coma of Interstellar Visitor 3I/ATLAS

UCL Chemists Show Thioesters Let RNA Attach Amino Acids and Form Peptides in Water

Webb and SPHEREx Confirm CO2-Dominated Coma Around Interstellar Comet 3I/ATLAS

Spacecraft Observations Sought as Loeb Raises Nuclear-Powered Theory for Interstellar Object 3I/ATLAS

Hubble Captures Sharpest View of Interstellar Visitor 3I/ATLAS, Strengthening Comet Case

Sharp Hubble Images Confirm 3I/ATLAS as Comet; Juno Intercept Study Advances

Ionic Liquids Emerge as Candidate Habitats on Water-Scarce Worlds

Curiosity Captures Coral-Like Mineral Pseudofossil in Gale Crater

Curiosity Rover Reveals Coral-Like Rock Paposo as Ancient Mineral Vein

Hubble and Rubin Data Clash on 3I/ATLAS Size as Alien-Spacecraft Theory Lingers

Mission Studies Spotlight Juno Flyby of Interstellar Comet 3I/ATLAS

Europa Clipper Validates Key Radar Instrument During Mars Gravity Assist