The project cancellation comes after NASA has already invested 15 years and $3.4 billion in the telescope, which is 90% complete.

The pair — dueling it out 11 billion light-years away in space — has given astronomers their first detailed look at a galaxy ...

But it was also blurrier than NASA engineers had envisioned, and they soon realized that there was a flaw with the telescope's primary mirror. In 1993, this flaw was corrected. And the Hubble Space ...

The Hubble Space Telescope ... A NASA commentator called the telescope “a new window on the universe,” raising expectations sky-high. Yet jubilation faded fast when engineers found a tiny mirror flaw ...

Definition: Hubble Space Telescope ... After the launch of the telescope, the first fewer images it returned were not that sharper as desired and the best image quality was lower than expected. It ...

On April 24, 1990, all 24,000 pounds of the Hubble Space Telescope were tucked away inside the Discovery space shuttle when it launched into space. Thirty-five years later, NASA says Hubble has ...

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 ...

James Webb telescope reveals mysterious 'light echo' in the broken heart of Cassiopeia Astronomy Space photo of the week: Hubble zooms in on the glittering galaxy next door Astronomy Space photo ...

The Hubble Space Telescope has been deployed since April 25, 1990. Yesterday marked 25 years since it began its mission to help us better understand the cosmos. To commemorate this noteworthy ...

The Hubble Space Telescope marks its 35th anniversary with a stunning new image of the Sombrero Galaxy. This detailed view reveals the galaxy's structure, including its bright bulge and dusty disc.