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

Discoveries of clay minerals in Martian mounds by researchers indicate that Mars once had large bodies of water billions of ...

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

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

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

Thousands of mysterious clay mounds found on Mars were formed by ancient water on the Red Planet's barren northern plains, ...

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

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

"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 ...

Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic ...

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

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