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 ...

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 ...

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 ...

Three years into its mission, the James Webb Space Telescope has advanced the search for alien life more than any machine before it. What will it find next? When you purchase through links on our site ...

The search for alien life is mostly limited to the “Goldilocks Zone”, that is, the distance from a star where liquid water and ample light could exist for life to thrive. However, a new study has ...

The number of planets capable of hosting alien life may be smaller than we thought, thanks to a new understanding of how water levels drive a planet’s climate. Below a certain level, carbon dioxide in ...

The Deep Space Network (DSN) is just the sort of tool aliens could one-day detect, transmitting from Earth. Credit: NASA/JPL What if the first signal ever detected from an alien lifeform wasn't a ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Who hasn't looked into the sky and wondered if there's life out there, somewhere, looking back at ...

A man in Panama claims he's found a meteorite with an "alien life" form growing on it and said he has the video to prove it. While critics argue it's an elaborate hoax, some scientists say that it is ...