In the summer of 1995, Robert Williams, then director of the Space Telescope Science Institute, which manages the Hubble ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

John Grunsfeld captured a breathtaking image of the Tadpole Galaxy, shaped by past collisions and marked by bright bursts of star formation along its sweeping tail. David Leckrone's Hubble Ultra Deep ...

Supermassive black holes are found at the center of massive galaxies like our own Milky Way. These ginormous cosmic beasts ...

After taking a photograph equivalent to a 10-day long exposure — now known as the Hubble Deep Field — they found thousands of galaxies in an area of the sky about the width of a pinhead held ...

It has shaped the public's view of our universe through groundbreaking images like the Pillars of Creation and the Hubble Deep Field. "To have this mission continue to produce top quality science ...

Launching on 24 April 1990, the Hubble Space Telescope has had an out-of-this-world 35 years capturing some of the most ...

Some of Hubble's most iconic imagery, including the Hubble Ultra Deep Field, is attributed to the ACS. In 2007, however, it also suffered an electrical failure. Remedies for STIS and ACS were both ...

When I was in grade school I was fascinated by the world’s largest telescope: the 200-inch-diameter Hale Reflector on Palomar Mountain near San Diego. What a behemoth! At the time I enjoyed ...