Don Pettit spent a busy 220 days at the International Space Station. He conducted experiments, talked with students and ...

If you want to take a trip into outer space like Katy Perry did, how much is that actually going to cost? Is affordable ...

NASA launched Space Shuttle Atlantis on mission STS-125, the fifth and final servicing mission to the Hubble Space Telescope.

Check out scenes from Project Kuiper’s first mission, including during launch and inside Mission Control as the first ...

The Chandra X-ray Observatory was launched on July 23, 1999 aboard Space Shuttle Columbia. See 25 'never-before-seen' images ...

The space shuttle may no longer be in active service, but you can keep the dream alive with a new Lego set that features two ...

NASA's newest space telescope, on a mission to study origins of universe, snapped incredible images of the cosmos 2 months after it got off the ground ...

From breathtaking snapshots of distant galaxies to game-changing discoveries about the universe’s expansion, the Hubble Space ...

Thirty-five years ago, the Hubble Space Telescope was launched into orbit. It's been sending back galactic data and images ever since.

During its 35 years of orbiting the Earth, the Hubble Space Telescope has transmitted endless streams of magnificent images, confirmed the existence of "dark matter," and helped track a vagabond ...

It leads a long, thin trail of its tracks that stretches 1,050 feet. The space agency said in a statement that Curiosity’s tracks are likely to last there for months before the strong Martian ...