A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior. When the rover rolled its 899-kilogram (1,982-pound) body over the fragile ...

Scientists studying the images and data sent back by the Perseverance rover on Mars found an unusual sight. It appears to be ...

The discovery of abundant nickel in a once waterlogged region of Mars offers yet another hint that the red planet may once have offered suitable conditions for life. In Neretva Vallis, an ancient ...

More evidence that Mars was once a habitable, wet oasis not dissimilar to Earth has been found in the rocks scattered throughout the red planet. A team of researchers who analyzed the thousands of ...

NASA's Mars Perseverance rover has stumbled across an unusual sight: a stack of rocks on the Martian surface. How did they end up this way? Did Perseverance knock them over? So many questions.

It’s tough being a robot trekking along the dry, arid terrain of another planet with no humans around. NASA’s Curiosity rover has spent the past 13 years drilling through samples on Mars, and one rock ...

Bright white rocks spotted by NASA’s Perseverance rover are rewriting what we thought we knew about ancient Mars. These aluminum-rich clays, called kaolinite, usually form on Earth only after millions ...

Curiosity found organic molecules on Mars that were so compelling that scientists used a rare process to analyze them.