Science ❯ Astrobiology

Extraterrestrial Life

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

Interstellar 3I/ATLAS Shows Unusual Acceleration and Blue Hue Near the Sun, NASA Says No Threat

NASA maintains the object poses no threat to Earth ahead of new observations in December.

3I/ATLAS Brightens Unusually and Turns Blue Near the Sun as Data Indicate a Cosmic-Ray–Altered Crust

Interstellar Comet 3I/ATLAS Reaches Perihelion as Telescopes Await December Return

3I/ATLAS Nears Perihelion During Solar Conjunction as Global Campaign Gears Up

3I/ATLAS Nears Perihelion as Agencies Coordinate Tracking and Spacecraft Tail-Sampling Opportunities

Scientists Detect Habitable-Zone ‘Super‑Earth’ GJ 251 c Just 18 Light‑Years Away

Study Shows Dry Ice Blocks Carve Mars' Sinuous Dune Gullies

Yeast Survives Simulated Martian Shocks and Perchlorate by Mobilizing RNA Defenses

Cassini Reanalysis Finds Complex Organics From Enceladus’s Ocean in Fresh Plume Grains

ESA Mars Orbiter Captures Closest View of Interstellar Comet 3I/ATLAS

Researcher Claims 'Alien' DNA in Some Human Families

Sounding-Rocket Test Shows Human-Associated Bacteria Spores Survive Launch, Microgravity, and Re-Entry

Viral Mars Rover Image of 3I/ATLAS Draws Fresh Scrutiny as Scientists Flag Camera Artifact

ESA Spacecraft Track Interstellar Comet 3I/ATLAS Near Mars as Perihelion Nears

Cassini Reanalysis Finds New Organics in Enceladus Plume, Boosting Habitability Case

Cassini Reanalysis Finds Complex Organics in Fresh Enceladus Plume Grains

Fresh Enceladus Plume Grains Reveal Ocean-Derived Complex Organics

Cassini Reanalysis Finds Complex Organics From Enceladus' Subsurface Ocean

Interstellar Comet 3I/ATLAS Withstands Solar Storm as Mars Flyby Nears

AI Reanalysis of Cassini Data Confirms Complex Organics in Enceladus’ Ocean