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

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

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

"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...

Though it's a cold, dead planet, Mars still has its own natural beauty about it. This image shows us something we'll never ...

Mars Ingenuity helicopter's 59th flight was captured by the Perseverance rover's Left Mast-cam camera. Credit: Credit: ...

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

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

The 3.7-billion-year-old formations in the planet's Gale Crater suggest the presence of long-gone bodies of liquid water, ...

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

The Red Planet will be at its closest point to Earth, also known as perigee, on Jan. 12 and will be exactly opposite the sun ...