The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...

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

Recent observations suggest that scientists have identified potential microbial fingerprints in the atmospheres of other planets, raising intriguing questions about the possibility of alien life ...

Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...

Near the start of the Alien: Covenant film, the crew intercepts a mysterious signal coming from Planet 4 and the acting captain, Chris Oram redirects the USCSS Covenant there, seeing it as possibly a ...

You’ve traveled thousands of light-years through interstellar star systems. And now you’re stranded on a planet you know nothing about. As long as you’ve got oxygen, water and food aboard your ...