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

Galaxies speckle the heavens like stars in a stunning new photo of the deep and distant universe.

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

It is a small area of the sky, equivalent to holding a square of one millimeter by one millimeter at arm’s length. But tens ...

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

Budget cuts hitting U.S. government agencies like NASA don't seem promising for the Hubble Space Telescope, but there is ...

The world's most famous telescope is celebrating in style with new views of Mars, nebulas and a galaxy that reminds us of ...

Ever since we broke the bonds of gravity and ventured outside Earth's atmosphere, we have been traveling on a journey with ...

Thirty-five years later, NASA says Hubble has proven to have "opened a ... limiting estimates for the age of the universe and ...

In June 1990, NASA announced the discovery of a spherical ... Some of Hubble's most iconic imagery, including the Hubble Ultra Deep Field, is attributed to the ACS. In 2007, however, it also ...

To mark the 35th anniversary of the Hubble Space Telescope, Space.com looks at some of the most scientifically significant images that have emerged from the observatory's lens.