The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

Scientists have found the oldest known evidence of the plague, which sparked deadly outbreaks dating back about 5,500 years ago — some 200 years ...

An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar ...

Next summer, NASA’s Lucy spacecraft will start sidling up to several asteroids near Jupiter. On its way there, it has studied another space rock up close ...

There’s something in the air as of late—and it’s not just all that allergy-aggravating pollen. What’s happening? Could it be that we’re finally entering summer after a difficult winter? Or could it be ...

Alien conspiracy theory is getting respectable (with a little help from "Disclosure Day"), and it has helped bring America back to magical thinking.

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home planet.

12 years is a long wait to play the sequel to one of your favourite games of all time. During that decade-plus stretch, I’ve re-played the original Alien: Isolation multiple times, analysed its ...