Explore these orbiting pioneers and learn what they've discovered. 3 min read The Hubble Space Telescope was designed to free astronomers of a limitation that has plagued them since the days of ...

Astronomers have discovered there were more black holes than previously estimated after studying the observations that the Hubble Space Telescope made. The new discovery can help them understand ...

The first major optical telescope in space, NASA’s Hubble Space Telescope is most famous for the iconic and beautiful images it has brought us of distant galaxies. Hubble’s launch in 1990 was ...

It essentially made Hubble into a new telescope. "ACS has roughly ten times the discovery power of the previous camera," says Mario Livio, astronomer at the Space Telescope Science Institute in ...