Astronomers detected a strange square structure on Mars in 2001. After two decades of study as to what it may be, NASA has finally given us answers.

Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X A Harvard astrophysicist and NASA are locked in a public disagreement over a small, shiny object ...

A Harvard astrophysicist and NASA are locked in a public disagreement over a small, shiny object photographed on the Martian surface. The dispute hinges on whether the object is human-made debris or ...

The dragonscale-like patterning on the surface of Mars. (NASA/JPL-Caltech/MSSS/Kevin M. Gill) A strangely textured region on the surface of Mars has NASA scientists excited. In its journey to a crater ...

A cone-shaped object is photographed by the Curiosity rover on Mars A cone-shaped item that was photographed by a Mars rover and called into question by a scientist has now been identified by NASA.