It’s a real space oddity. Former Pentagon UFO investigator Luis Elizondo claims the US government possesses unreleased ...

In 1877, an Italian astronomer mapped faint lines on Mars and called them canali, meaning channels or grooves. But the word was mistaken for “canals,” and suddenly people believed Mars showed signs of ...

An image taken by Curiosity last month has sparked claims of a long-lost civilization on the Red Planet after some spotted a ...

Perseverance strikes again with an intriguing — yet unresolved — clue in the search for past life on Mars. In an ancient river channel, the rover detected complex organic carbon within and on rocks, ...

The Outer Limits still feels remarkably modern, with eerie sci-fi stories that inspired generations of genre television.

New images from the European Space Agency's Mars Express orbiter have captured strange-looking waves on the Red Planet.

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

An unusual discovery on the Red Planet has revealed an odd-looking series of polygon-shaped structures, documented in new images obtained by NASA’s Curiosity Rover. The curious features were ...

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

By Will Dunham WASHINGTON, July 6 (Reuters) - Using NASA's Perseverance rover, scientists are getting a greater understanding ...

NASA’s Perseverance rover has found complex carbon compounds in a Martian crater that had previously shown tantalising possible signs of ancient life. On Earth, these compounds are typically ...

This article contains spoilers for the film Disclosure Day. As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters of the Third ...