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

Earlier, 3I/ATLAS was being rumoured to be an alien spaceship that might be heading to probe Earth, now that it has flown by ...

Interstellar object 3I/ATLAS, the third such visitor ever observed, is exhibiting unusual energy and chemical behavior as it ...

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

The faraway moon has 'a slushy high-pressure ice layer' similar to the melting Arctic that could hide extraterrestrial life.

A new discovery beneath the Bermuda Triangle has added another layer to the mystery surrounding the region, known for its ...

Tantalising signs of past microbial life showed up on Mars this year, but to truly know whether they contain the answer to ...

A new glass sponge species is so strange that has been given the name named Advhena magnifica, which means "magnificent alien ...

Think you know your Dyson spheres from your dark blobs? This cosmic crossword dives into the strangest, most mind-bending ...

Interstellar Comet 3I/ATLAS puzzles scientists with a sunward anti-tail and wobbling jets, revealing secrets of alien solar ...

It's one of life's biggest questions - are we alone in the universe? Now, one of Britain's top space scientists has declared ...

The interstellar visitor Comet 3I/ATLAS passed Earth with Harvard astrophysicist Avi Loeb saying it could be an alien probe.