Mars’s Coloe Fossae reveals a landscape shaped by ancient ice ages, with deep valleys, cratered terrain, and frozen debris flows preserved from a time when the planet’s climate dramatically shifted.

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.

Mars is known for its barren desert landscape and dry climate. But two recent studies go beneath the surface: They explore the interior of the red planet using seismic data from NASA's InSight mission ...

An overview of the most important structures on Mars and their relation to one another. Canada's Florida boycott 'taking effect' on Donald Trump—Doug Ford A new discovery at Easter Island could ...

With its hills and distant mountains, the landscape seems somehow familiar yet at the same time eerily alien. The striking image was captured just recently by NASA’s Curiosity rover as it continues ...

Confirm that life could exist outside Earth. Check. Explore the ancient geography of Mars. Check. Become a social media powerhouse. Check. NASA's Curiosity -- and the humans who make her work -- have ...

Spacecraft orbiting the Red Planet have helped researchers map out an ancient coastline that surrounded a large ocean billions of years ago ...