Thirty-five years ago, the Hubble Space Telescope was launched into orbit. It's been sending back galactic data and images ...

Yet, a century ago, its discovery by Edwin Hubble, then an astronomer at Carnegie Observatories, opened humanity's eyes as to how large the universe really is, and revealed that our Milky Way galaxy ...

the Hubble Space Telescope has transmitted endless streams of magnificent images, confirmed the existence of "dark matter," and helped track a vagabond black hole moving through the Milky Way.

Using data from space telescopes and other instruments, astronomers, cosmologists, and astrophysicists are able to deduce and ...