Jeff Bezos’ rocket company gave NASA a brief taste of the moon’s gravity Tuesday, without straying too far from home. Blue ...

CAPE CANAVERAL, Fla. (AP) — New research finds an ancient asteroid strike carved out two grand canyons on the moon's far side. These aren’t the magnets you know.

NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in ...

"The climate of this planet is extreme and nothing like that of Earth. The planet's dayside is so hot that elements typically thought of as 'metal' are vaporized into the atmosphere." ...

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

For decades, astronomers believed that planets couldn’t form in the early universe due to a lack of heavier elements like ...