Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

Every year Brits report hundreds of sightings of Unidentified Flying Objects (UFOs) - and have been doing so for more than ...

Readers Edition. This is the (nearly) annual tradition of you, RPS readers, telling us where we went wrong in our annual ...

Starfinder: Afterlight is set to be the first CRPG in the Starfinder franchise, and naturally, it's pulling quite a bit from ...

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

Want to be a top notch candidate for hosting alien life? Then there's a few key requirements you should be aware of: Ideally, you're a large object like a moon or a planet; scientists suspect you also ...

"We are only beginning to discover the true complexity of these worlds." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers have used ...

Did NASA discover city lights on an alien planet? This video explores the implications and details of the findings that suggest the presence of artificial light sources on a distant exoplanet. The ...