Salt water could be running down some slopes of Mars every spring, researchers suggest. Such a finding would suggest new directions to search for any life that still existed on the Red Planet.

For years, scientists have been intrigued by mysterious dark streaks running down the slopes of Martian cliffs and craters. These marks, called slope streaks and recurring slope lineae (RSLs), have ...

Researchers are looking underfoot to uncover the mysterious past of Mars: Martian regoliths in the soil. Their water storage capabilities may help us understand the change in water on Mars over time.

On November 26, 2011, the NASA Curiosity rover launched to Mars. Curiosity was the biggest and most powerful rover anyone had ...

"It's possible that this might have come from an ancient northern ocean on Mars." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Thousands of ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A HiRISE image of the heavily eroded ridge of an inverted channel left behind by a dried up river ...

Did Mars' water escape underground, where it dwells today in vast amounts? Some scientists aren't so sure. Scientists are confident Mars was once abundant with water, as seen in massive flood-carved ...

The Perseverance rover has stumbled onto a Martian rock that looks nothing like the weathered stones around it, a solitary ...

For years, scientists have been looking for signs of liquid water just beneath the surface of Mars. The problem, though, is that the observations from various orbiting probes have been maddeningly ...

NASA is treating food as mission-critical hardware for Mars, designing future habitats where crops grow alongside ...

Laurie Leshin fell in love with Mars when she was 10 years old. It was 1976, the year NASA landed its twin Viking probes on the surface of the Red Planet, beaming back the first closeups of the rocky, ...