A video of a woman spotting “two moons” in the night sky from her roof is going viral on social media, leaving the internet theorising about a possible “UFO or alien sighting”. Take a ...

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 ...

A lunar far side experiment finds no alien signals but proves the Moon could offer the quietest listening post yet for future ...

When we imagine alien life in books or on TV, we often think of planets like ours inhabited by extraterrestrial people. The Harry Vanderspeigle’s (Alan Tudyk) of the universe are basically human with ...

Add Yahoo as a preferred source to see more of our stories on Google. This artist’s concept depicts a potential volcanic exomoon between the exoplanet WASP-49Ab, left, and its parent star.

The photos show an eclipse and a distant Earth disappearing behind the moon, a disorienting and surreal perspective. Here's ...

Dear people of Earth: Can’t help but notice you’ve launched one of those tin-can-looking thingies into your orbit again. What ...

All this thinking about the Moon, as well as the mystique around it and outer space, also has me thinking of Outer Wilds, ...