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

NASA hasn't closed the door on the possibility — and the man in line to be the agency's next chief is a champion of the idea.

John Grunsfeld has a model of the Hubble Space Telescope on his bookshelf. It's right next to a model of a NASA space shuttle ...

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

The aquatic-themed portrait highlights the galaxy's swirling arms and bright core, which, thanks to Hubble's advanced imaging ...

The Hubble Space Telescope celebrates 35 years of groundbreaking discoveries, stunning imagery, and a lasting impact on ...

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

The Hubble Space Telescope is in low Earth orbit, 320 miles (515 kilometers) above the planet, placing it above most of the ...

For 35 years, the Hubble Space Telescope has taken photos of celestial objects across the universe. Look back at 10 photos ...

Hubble’s three-and-a-half-decade lifetime has allowed astronomers to observe cosmic objects over extended periods to see how ...

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 ...