From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

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 ...

According to popular media, the search for alien life involves advanced technology, space exploration and sometimes even government conspiracies and secret programs. But according to University of ...

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 ...

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 ...

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 ...

Here is what you’ll learn in this story: A new study used mathematical formulas and demonstrated that it’s highly unlikely life began on Earth. Instead, the researcher points to panspermia, a theory ...