"We had previously seen that AI has a big Achilles heel when it is trying to classify things that are unlike the things in ...

A self-proclaimed time traveller claims aliens will make contact in 2028, sparking online debate. His assertions, made during ...

The Pentagon has released 40 new declassified UFO files, including decades-old military reports, videos and images ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Jared Isaacman says NASA has captured imagery of unknown objects it cannot explain, as Trump pushes broader UAP ...

Count Binface describes himself as ‘an intergalactic space warrior and leader of the Recyclons from planet Sigma IX’. But the ...

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

GJ 3378b could be just large enough and just close enough to its star to host life (Picture: Nasa) Aliens could call a planet about a 282 million-year drive away home, scientists say. GJ 3378b is an ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's silence.