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

"It's amazing that after 35 years, Hubble still holds a unique capability as a top workhorse for science discoveries and ...

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.

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 ...

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

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

Regarded by many as NASA’s most successful science mission, the Hubble Space Telescope was launched into space aboard the ...

The anniversary celebration also included a countdown of images captured over the Hubble Space Telescope's lifetime so far, ...

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

From spellbinding images to groundbreaking scientific discoveries, we look back on some of Hubble's most exciting milestones.