Science ❯Astrobiology

Extraterrestrial Life

Habitability Mars Habitability Mars Exploration Planetary Conditions Mars Ocean Worlds Microbial Life Biosignatures Planetary Atmospheres Search for Life

Observations Reinforce Natural Origin of Interstellar Comet 3I/ATLAS

Spectroscopic imaging campaigns will track its outgassing ahead of its October 30 perihelion.

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

ALMA Detects 17 Complex Organic Molecules in V883 Orionis Protoplanetary Disk

Science Retracts Landmark Arsenic Microbe Paper Under Expanded Standards

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

NASA Model Shows How Protocell Precursors Could Self-Assemble in Titan’s Hydrocarbon Lakes

Hundreds of TESS Exoplanets Are Larger Than Believed

NASA Launches Three-Year Deep-Sea Microbe Study to Inform Europa Life Search

Astronomers Launch Global Observations of Interstellar Comet 3I/ATLAS

Curiosity Rover Uncovers Spiderweb-Like Boxwork Ridges Indicating Ancient Groundwater

Humpback Whales Blow Bubble Rings at Humans in Possible Communication

Humpback Whales Create Bubble Rings in Human Encounters, Informing Search for Extraterrestrial Intelligence

Scientists Challenge Possible Biosignature Detection on Exoplanet K2-18b

Doubts Deepen Over Potential Biosignature on Exoplanet K2-18b

Biosignature Claims for Exoplanet K2-18b Face Mounting Challenges

Mars' Dark Streaks Confirmed as Dust Avalanches, Not Water Flows

NASA Confirms First Visible-Light Aurora Observed on Mars

Soviet Venus Probe Kosmos 482 Reenters Earth After 53 Years in Orbit

Seismic Data Unveils Subsurface Aquifer on Mars Matching Ancient Ocean Estimates

Seismic Data Reveals Potential Subsurface Ocean on Mars