When it comes to telescopes, there are no bigger names than Hubble and Webb, but why have two space telescopes anyway, how ...

The telescope began as a relatively simple device, born out of optical experimentation. It combined a series of lenses and ...

After it first launched, scientists realized that one of Hubble's primary mirrors was ground to the wrong specification. As a result, a daring rescue mission was planned. Astronauts rode to Hubble ...

Every Hubble anniversary feels like a triumph for the elderly space telescope. It may have a few more anniversaries left in it. NASA hopes it will continue operations into the 2030s. Long live Hubble.

Astronomers have achieved a first in exoplanet hunting by using the Hubble Space Telescope images to investigate a mysterious ...