A new image shows a striking contrast between Mars' desert-like terrain against dark deposits of volcanic ash.

Mars is called the Red Planet due to iron oxide covering its surface, giving it a rusty red appearance. This article explains ...

Scientists have thought for a long time that Mars used to have water on it like lakes and rivers. But new research shows that ...

Reading the "Mars Trilogy" by Kim Stanley Robinson brings the benefits and pitfalls of efforts to terraform the red planet ...

The reason why Mars is called the Red Planet is because of its reddish appearance when seen from space and Earth. Mars is red ...

Whenever humans arrive on Mars, they're going to find it a difficult place to exist. Mars is cold, with an average surface ...

There is a lot of evidence from orbiting satellites and surface rovers indicating that liquid water was present long ago on ...

For several days this month, Saturn, Mars, and Mercury appear just degrees apart before sunrise—close enough to watch their ...

Mars was long considered an inhospitable planet characterized by extremely cold temperatures and constant bombardment by ...