Add Yahoo as a preferred source to see more of our stories on Google. For as long as humans have looked up at the night sky, we've wondered who, or what, might be looking back. Journalist Becky ...

A man claiming to be a 'time traveller' from 2045 has sparked fresh debate online after asserting that alien contact in 2028 will reveal extraterrestrials are not from outer space, a claim he made ...

Here’s what you’ll learn when you read this story: Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations have phoned home.

The man who claims a comet is an alien spaceship has claimed alien contact with Earth will be confirmed by 2030. Theoretical physicist Avi Loeb has been leading speculation that the so-called 3I/ATLAS ...