Caltech scientists published a study using NASA Curiosity rover imagery showing the past existence of warm water on Mars.

NASA's Opportunity rover landed on Mars! This was the second of NASA's twin Mars Exploration Rovers to land on the red planet ...

Thousands of mysterious clay mounds found on Mars were formed by ancient water on the Red Planet's barren northern plains, ...

Buttes and mesas in Mars' Chryse Planitia contain clay minerals made from liquid water interacting with the rock nearly 4 ...

Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic ...

Rocket Lab USA (NASDAQ: RKLB), a developer of reusable orbital rockets, went public by merging with a special purpose acquisition company (SPAC) on Aug. 25, 2021. Its stock opened at $11.58, but it ...

On Jan. 25, 2004, NASA’s Opportunity rover landed on Mars and sent its first pictures of the planet to Earth; originally ...

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

Stargazers will be treated to a dazzling six-planet "alignment" this January.

For a few months, Earth had a second moon — a tiny asteroid that may have been a piece of our own Moon ...

Read about the companies selected by NASA to advance knowledge supporting life and work in the lunar environment.

While claims of a “rare alignment” are overblown, you can still see up to six planets in the night sky this weekend. Here's ...