Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for ...

Buttes and mesas in Mars' Chryse Planitia contain clay minerals made from liquid water interacting with the rock nearly 4 ...

Learn about the analysis conducted on wave ripples in the Gale crater region of Mars, where ice-free ponds and lakes stood ...

The Artemis program has been NASA's best chance to get "boots on the moon" again. But with the new US administration taking ...

Harvard scientists explain how Mars had warm spells billions of years ago, allowing rivers and lakes to exist.

Experts told Newsweek about the difficulties of reaching Mars as the United States faces complex challenges in space policy.

HELENA — The planets are aligned. Six planets, Mars, Jupiter, Uranus, Neptune, Venus and Saturn can be seen in the night sky.

"Rootless cones form when lava flows over wet or icy ground, causing it to boil and explode," said Dundas. "The region around ...

Trump says we're going to Mars. He may be making it harder to get there. President Donald Trump says we’re going to Mars, but ...

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.