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 ...

An alien planet has been discovered that may be "teeming with life" as scientists reveal the exact date we will know whether extraterrestrials exist could be "within one to two years". Lead researcher ...

Harvard scientist Avi Loeb claims the interstellar object 3I/ATLAS may be alien technology sent to seed life on Earth, sparking a debate with sceptics who insist it is merely a comet.

NASA has already found signs of alien life on Mars but is still keeping it secret, a rogue scientist claims. Barry DiGregorio, 71, believes rovers from the space agency captured snaps of alien fossils ...

05:36, Fri, Apr 21, 2023 Updated: 05:57, Fri, Apr 21, 2023 The number of UFO sightings is on the increase, although there is still no proof of alien life, according to a top Pentagon official. Sean ...

12:22, Mon, Aug 7, 2023 Updated: 00:12, Tue, Aug 8, 2023 In recent days the internet has been buzzing after former US intelligence officer Davis Grusch testified under oath before members of the US ...

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 ...

We've been searching the heavens for some time now. But despite decades of listening for tell-tale radio signals and hunting for signs that other worlds might be even vaguely habitable, it's been slim ...

Professor Nikku Madhusudhan, from the University of Cambridge, has said we have "the strongest evidence yet" that there could be alien life existing on another planet Astronomers say we have the ...