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

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

The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about ...

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

Curiosity’s mission was originally supposed to last no more than two years but was extended indefinitely after it ...

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above some clouds before dawn. It’s twice as tall ...

Mars isn’t a bright, fire-engine red, but the iron oxide in its rocks makes it appear redder than other planets, especially ...

A decade-old image from NASA’s Curiosity rover has gone viral, suggesting a mushroom-like object on Mars. While UFO ...

NASA studies Mars more than scientists know about our oceans. The Red Planet is the most studied celestial body, and a new ...

Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.

A number of high-profile missions would get the axe, including the New Horizons Pluto probe and Juno Jupiter orbiter.