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

A bizarre square object has been spotted on the surface of Mars, and now SpaceX CEO Elon Musk wants to take action to ...

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

Mars Orbiter Camera photograph has sparked interest online, and it's even piqued the interest of Elon Musk. The picture shows ...