NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...

(cokada/iStock/Getty Images) Alien megastructures built to harvest stellar energy or alter the orbits of stars may be ...

NASA’S top chief has weighed in on one of humanity’s biggest mysteries – are we alone in the universe? The US space agency’s ...

NASA's Artemis II mission concludes today as the Orion capsule splashes down after a record-breaking lunar far side flyby.

Steven Spielberg has made a lot of movies about aliens.

Add Yahoo as a preferred source to see more of our stories on Google. Trump claims US is 'totally independent of the Middle ...

NASA Administrator Jared Isaacman told CNN's Jake Tapper the odds are "pretty high" that aliens are real during an interview ...

Researchers recently analyzed data available on the National UFO Reporting Center’s website. Here's what they found.

Podcaster Joe Rogan has predicted that when aliens finally arrive on planet Earth, they will not be interested in talking to ...

During a recent televised interview, NASA Administrator Jared Isaacman said the chances of discovering extraterrestrial life ...

For decades, stories about hidden alien encounters and classified government secrets have fueled endless speculation. From ...

The mission, which launched on April 1, will see a crew go further into space than anyone else and is expected to reach the ...