The Hubble Space Telescope is a masterwork of engineering ... of a spherical aberration on Hubble's primary mirror due to a 2-micron mistake in the curvature of the telescope's primary mirror ...

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

The Hubble Space Telescope is still going strong thanks ... with a flawed primary mirror, an image-blurring defect that made the scope the butt of jokes and put its entire ambitious mission ...

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

In celebration of the Hubble Space Telescope's 35 years in Earth orbit, NASA is releasing an assortment of compelling images ...

WASHINGTON — The Hubble Space Telescope ... 1990, aboard space shuttle Discovery, it quickly became apparent the telescope’s primary mirror had a flaw, resulting in blurry results, according ...

Spacewalking astronauts repaired and upgraded the famed Hubble Telescope during five missions from 1993 to 2009. Here's a ...

NASA astronaut Mike Massimino smiles for a photo during STS-125 — the fifth and final Hubble Space Telescope servicing ... with a flawed primary mirror, an image-blurring defect that made ...