A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Imagine waking tomorrow to the news that aliens exist.

"If you liked Superman, then you'll probably enjoy Supergirl. It's a light space romp that steals liberally from Guardians of ...

Extraterrestrial visitors are not only already here – they are landing in a top secret “alien airport” hidden away in the ...

A US fighter pilot rescued after his F-15E Strike Eagle was shot down over Iran in April has reported a chilling encounter in ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...