Earth already contains organisms that survive conditions humans could never endure. Alien life, if it exists, may force ...

A review of Cloudy With A Chance of Starships by Seven Rasmussen and a Q&A in which the the author talks about the search for ...

The Artemis II crew is on its way to the moon as you read this – but scientists say if they’re hunting for aliens, they’re trying the wrong moon. Extraterrestrial life may be hiding on the moons of ...

Two major alien-life announcements in 2025 generated enormous excitement, but most astrobiologists remained unconvinced. Only 6.6% of surveyed experts thought possible biological molecules on K2-18b ...

Alien life may not need the kind of home humans instinctively search for. Some of the strangest possibilities begin once ...

Are we alone in the universe? While the search for life beyond Earth has so far turned up empty, the infamous question continues to haunt humanity’s exploration of the vast cosmos. Now, NASA’s ...

From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and living safely—beyond our planet. “I was like, ‘OK, I'm pretty sure that ...

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden biosignatures, limitations in detection technology, and assumptions about ...

Switch between CA and NY editions here. Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — and could wipe out life on earth.

(via Sabine Hossenfelder) The search for life on another planet is one of the most exciting things in astrophysics. As humanity has searched the universe for signs of life, we’ve found a surprising ...