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 ...

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

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

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

Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" ...

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

President Donald Trump made a bold promise to America minutes after taking the Oath of Office: pledging that an American flag ...

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

The northern plains of Mars, marked by thousands of mounds and hills, hold significant evidence of the planet's watery past.

From January to March, the night sky will host a spectacular parade of planets featuring Venus, Mars, Jupiter, Saturn, Uranus, and Neptune. The alignment peaks on January 25 and Mercury joins the ...