NASA’s Opportunity rover spent nearly 15 years exploring Mars, rewriting expectations for robotic space missions and ...

Mars may look like a frozen desert today, but new evidence suggests its watery past didn’t simply fade away quietly—it may have been blasted into space by powerful dust storms. Scientists have ...

Skylights, openings in the surface of Mars that descend down into caves, have been found on Mars, along with signatures for the presence of water ice. When you purchase through links on our site, we ...

A localized dust storm that erupted during what scientists long considered the calmest stretch of the Martian year pushed water vapor to altitudes where it can be torn apart by ultraviolet light, a ...