Investigating an area of interesting light rock seen from orbit, Curiosity found some particularly weird-looking structures.

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

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

Nevada has been hiding something from most of its 40 million annual visitors, and it has nothing to do with Las Vegas. Pack ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

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 ...

NASA's Curiosity rover found pure sulfur crystals inside a rock after backing over and accidentally crushing it on May 30, ...

NASA’s Perseverance rover has uncovered the most extensive evidence yet of complex organic molecules on Mars, detecting ...

An odd-looking series of polygon-shaped structures have been discovered on Mars, as revealed in new images obtained by NASA’s ...