Grunsfeld, a former NASA astronaut who has served as both the agency's chief scientist and science division leader, helped ...

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

The Hubble Space Telescope is celebrating its 35th anniversary in space today, but even as a senior citizen in the spacecraft ...

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

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

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

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

Hubble is still going strong 35 years after it was launched into space. Celebrate its anniversary with some out-of-this-world images.

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

The Hubble Space Telescope "opened a new window to the universe" when it launched into space. Now, 35 years later, NASA is ...

This week marks 35 years since Hubble first left Earth aboard the space shuttleDiscovery. Instead of receiving birthday ...

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