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

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

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

The findings are the result of the ongoing studies performed by NASA’s Curiosity rover, which has been scouring the red ...

Researchers discover thousands of clay-rich hills on Mars, revealing evidence of ancient water and transforming our ...

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

Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic mission may investigate the area one day.

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

The signs of wave ripples in the sandy shores of ancient lake beds, created as wind pushed water back and forth have been ...

The study of ancient lava formations on Mars is the most complete to date from a series of observations conducted on the ...

Researchers have discovered two sets of ancient wave ripples on Mars, signatures of long-dried bodies of water preserved in ...

"It's possible that this might have come from an ancient northern ocean on Mars." Thousands of hills and mounds on Mars have been found to contain layers of clay minerals, which formed when ...