Skywatchers can catch a rare conjunction of the moon and Mars on June 29, appearing as a reddish "cherry" near a crescent ...

The origin of life is one of the most fundamental and enduring questions of mankind and one of the three greatest Origin ...

Scientists had hypothesized before the rover arrived that the peculiar ridges formed with the last trickles of water in the ...

The new images by Curiosity show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, NASA said.

NASA's Curiosity rover finds strange rock formations on Mars. These look like spiderwebs. The rover spots these on Mount ...

SpaceX CEO Elon Musk wants to send a cargo ship to Mars by the end of next year. Here’s why that plan likely won’t pan out.

The images and data being collected are already raising new questions about how the Martian surface was changing billions of ...