"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 ...

NASA's Rover found ripples in Martian rock that resemble the wave patterns on a sandy lake bed on Earth. The ripples could ...

Scientists Suggest That Mars Was Warm and Held Water Billions of Years Ago, Much More Like Earth in the Past Researchers have ...

Scientists confirm the existence of liquid water on Mars, altering our understanding of the Red Planet. Evidence of wave ...

The rover's 26th sample, known as "Silver Mountain," has textures "unlike anything we've seen before," NASA says.

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

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

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.

Knowing where to look gives astronauts the best chance at successfully living on the moon, something that has, heretofore, ...

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

Harvard scientists explain how Mars had warm spells billions of years ago, allowing rivers and lakes to exist.

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