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

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

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

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

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

There’s been speculation that Donald Trump may cancel the Space Launch System rocket, which Nasa intended to use to get from ...

New research reveals ancient ripples on Mars, providing compelling evidence of long-lost lakes that once existed 3.7 billion ...

Through the end of February, all the planets in our solar system will visibly align in the sky, like a trope taken straight ...

Despite the cloudy skies and rain, some skygazers were able to catch a glimpse of Mars on Jan 16. Read more at ...

Heads up! Four planets are visible in the evening sky this month, and another two planets can be found with a little help.

Six planets, Mars, Jupiter, Uranus, Neptune, Venus and Saturn can be seen in the night sky. You'll need binoculars or a ...

Stargazers who haven't had a chance to check out this month's planet parade will want to look up soon because there's ...