A Mars image shows a strange square formation. Some think it's artificial, but experts suggest natural causes.

One of these things is not like the other ... were looking through images from NASA's Mars Reconnaissance Orbiter, they ...

Every so often, Mars rovers and orbiting spacecraft snap pictures that make us do a double take. The Red Planet has a knack ...

NASA's Curiosity rover has made a groundbreaking discovery on Mars by uncovering pure sulfur crystals within a broken rock.

Jamie Carter is an award-winning reporter who covers the night sky. Have you seen the weird “alien doorway” on Mars image that went viral on social media? It was sent back by NASA’s ...

Sometimes Mars feels like the setting for a Dr. Seuss book, full of fantastical shapes and strange landscape features that seem to defy gravity. NASA is an eyewitness to just how weird Mars can be ...

When not wallowing in weird gear and iPad apps for cats ... can witness the event as it happens in the night sky. On Monday, Mars will look reddish and bright as the moon passes in front of ...