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 ...

Orbital dynamics show that President Trump’s pledge to land astronauts on Mars couldn’t happen until 2029 at the earliest.

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"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 ...

The enchanting dunescape stretches over 43 miles (70 km) along the coast and over 30 miles (50 km) inland. Lençois translates ...

The Mars Express orbiter launched to the Red Planet. Twenty years later, ESA has delivered a high resolution color image of Mars along with a time-lapse of "webcam" images that were released in near ...

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

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' dust storms, a new study suggests. When you purchase through links on our ...