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

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

From windswept craters to frigid ice caps, explore Martian landscapes through the eyes of NASA’s orbiters, probes and rovers ...

A NASA satellite has spotted frozen "kidney beans" on Mars' sand dunes trapped in place until springtime. Photographing them ...

NASA’s Curiosity Rover has been exploring Mars since 2012 and, more recently has found evidence of ice-free ancient ponds and ...

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

Caltech scientists published a study using NASA Curiosity rover imagery showing the past existence of warm water on Mars.

A puzzle about Mars has intrigued scientists for decades. The planet’s two hemispheres are strikingly different in structure.

The Martian dichotomy was discovered in the 1970s, when images from the Viking probes showed ... or catastrophe in the early ...

The signs of wave ripples in the sandy shores of ancient lake beds, created as wind pushed water back and forth have been found on Mars providing evidence that there were open bodies of water, not ...