Only 6.6% of surveyed astrobiologists agreed that scientists had probably found extraterrestrial life on exoplanet K2-18b.

NASA's most eye-catching hints of alien life on Mars and a distant exoplanet left headlines breathless in 2025, but a major ...

Just north of the Martian equator lies a 45 km (28 mi) wide impact crater that scientists believe may have been the site of an ancient lake. Here at Jezero Crater, scientists theorize that its frozen ...

Overlooking signs of alien life may be humanity’s biggest mistake, according to scientists warning NASA could miss hidden ...

The recent announcement that scientists have spotted what they believe to be evidence suggesting ancient life on Mars seemed like the latest in an endless cycle of tantalizing hints followed by pleas ...

Astronomer Jon Willis warns that alien signals could be passing Earth unnoticed because humans are searching on the wrong ...

revealed that ancient Mars had an environment similar to that of Earth, but the current Mars is a planet with an extremely harsh environment for life. Therefore, even if life was born on Mars, it is ...

A new study suggests Mars could help scientists understand how alien worlds evolve by showing how a once warmer, wetter planet lost its atmosphere and crossed the edge of habitability.

A UFO conspiracy theorist claims to have uncovered “proof” of alien life in a NASA photo from Mars which he insists shows a small pink extraterrestrial on the red planet. Self-proclaimed expert Scott ...

NASA's Mars Curiosity rover has uncovered never-before-seen organic compounds that could be the most convincing evidence yet that there was life on the red planet. The nuclear-powered robot uncovered ...

NASA's Curiosity rover has photographed extraordinary spiderweb-like formations on Mars that scientists believe could hold the key to ancient life on Mars ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...