Science ❯Astronomy ❯Astrobiology

Extraterrestrial Life

Interstellar Objects Mars Exploration Technosignatures Alien Technology Icy Moons Mars Habitability Mars Habitability Titan SETI

Conference Model Points to Rare, Distant Technological Civilizations in the Milky Way

A new framework links planetary geology to oxygen-carbon dioxide thresholds to estimate how seldom technology arises.

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

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

Reanalysis Sharpens 1977 'Wow!' Signal: Stronger, Higher-Frequency, Tighter Origin

Study Maps Where Earth's Deep-Space Signals Leak and How SETI Should Listen

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

Viral Malvern Hills UFO Clip Remains Unverified After Millions of Views

Perseverance Returns Sharpest 360° Panorama From Mars’s Falbreen Site

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

Rubin Observatory Captures Pre-Discovery Video of Natural Interstellar Comet 3I/ATLAS

NASA Declares Interstellar Visitor 3I/ATLAS a Natural Comet, Not Alien Spacecraft

Probe Theory for Interstellar Comet 3I/ATLAS Divides Researchers as October Perihelion Nears

Hubble Captures Coma of Interstellar Comet 3I/ATLAS as Experts Uphold Natural Origin

Hundreds of TESS Exoplanets Are Larger Than Believed

Earth’s Radar Leakage Could Broadcast Its Location to Aliens 200 Light-Years Away

Global Telescopes Capture Active Coma of Interstellar Comet 3I/ATLAS

3I/ATLAS Confirmed as Third Interstellar Object, Set to Fly Past Mars

Interstellar Object A11pl3Z Crosses Solar System on Hyperbolic Path

Biosignature Claims for Exoplanet K2-18b Face Mounting Challenges

NASA Orbiter Captures First Image of Curiosity Rover in Motion on Mars