A rock shaped like an arrowhead on Mars, displaying intriguing features, could reveal clues about ancient microbial activity.

How do we power missions in the outer reaches of our solar system and beyond? The solution, developed in the '60s, can last ...

NASA’s Perseverance rover recorded unusual sounds as a Martian dust devil passed directly over the robotic vehicle in 2021, ...

After over 11 years of exploring the harsh Martian landscape, NASA’s Curiosity Rover is showing visible signs of wear and ...

Mars might hold enough subsurface water to cover its surface in a global ocean between 0.62 to 1.24 miles (1 to 2 kilometers) ...

Ingenuity proved beyond a shadow of a doubt that a helicopter can operate on another planet. Over 72 flights, the little ...

NASA’s Perseverance rover is tirelessly exploring Mars and recently overcame a rocky challenge to collect another valuable ...

In the next decade, space agencies plan to bring rock samples from Mars to Earth. But what if these rocks contain alien ...

Rocks loafing about on the surface of Mars have been harboring secrets about the red planet's mysterious past.

An image snapped by NASA's Mars rover has sparked theories of aliens on the Red Planet. The photo shows what many have ...

An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity—or not ...