If you've ever looked at Mars through a telescope, you probably noticed its two polar ice caps. The northern one is made ...

The north pole of Mars is slowly sinking under the weight of an ice cap that only formed within the past few million years. And, in the process, it's telling us something about what the planet's ...

More than 3 billion years ago, Mars intermittently had liquid water on its surface. After the planet lost much of its ...

Martian dust is mostly rust. Mars’s famed color has captivated humankind for centuries, earning its nickname of the ‘Red Planet’. Romans named Mars for their god of war because its colour was ...

Humans are determined to discover more details about Mars, Earth's neighboring planet, which seems to hide many secrets. So ...

For the fourth year in a row, iridescent clouds of frozen CO2 are lighting the Martian sky. The clouds appear in the same ...

"It's like a game of billiards around the solar system, flying by a couple of planets at just the right angle and timing to ...

Mars, even to the casual observer, bears a striking resemblance to Death Valley in satellite imagery, featuring sand dunes, salt flats, and playas. Like Death Valley, the Martian surface is actively ...