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

A mysterious metal shard, once thought to be a piece of a UFO that crashed in 1947, has sparked years of wild speculation.

Pocock, a space scientist at University College London and BBC presenter, predicts alien life will be found by 2075 but ...

Scientists searched 27 exoplanets for alien technology using planetary eclipses, revealing a new way SETI hunts signals ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

SETI scientists have detected signals that don’t behave like anything found in nature — narrowband, repeating, and drifting ...

AN abandoned RAF site dubbed Britain’s ‘Area 51’ is a magnet for UFO hunters, urban explorers and conspiracy theorists who ...

Interstellar comet 3I/ATLAS makes its closest approach to Earth this week, sparking alien theories and global interest as ...

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

Is 3I/ATLAS a comet or an alien ship? Harvard's Avi Loeb warns of a 'serial killer' visitor as the interstellar object makes ...

I admit it. I was utterly swept up by the 3I/Atlas mania earlier this fall.