Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

After reviewing almost 30 years of signals, University of California Berkeley researchers have identified 100 mysterious, ...

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

For decades, scientists have tried to turn the question of alien life from late-night speculation into something you can ...

Hopes of finding alien life on planet K2-18b are rapidly fading, as new observations appear to show no detectable evidence of the biomolecule previous studies had seen hints of. Most scientists agree ...

Alien life could exist on hot, rocky planets, sustained not by water but by a type of salty fluid, new research suggests. Reading time 3 minutes The search for alien life usually hinges on finding the ...

Want to be a top notch candidate for hosting alien life? Then there's a few key requirements you should be aware of: Ideally, you're a large object like a moon or a planet; scientists suspect you also ...

A new SETI methodology focuses on detecting the "spillover" from directed interstellar communications, mirroring how we communicate with our own spacecraft, rather than relying on broad, speculative ...

The first time Fontella “Faun” Day believes she saw life from another planet, it came from above. It was a cloudy afternoon in Rachel, Nevada, and the phones and computers at the Alien Cowpoke gas ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...