In 1924, observing the night sky through what was then the world's largest telescope, cosmologists including Edwin Hubble and Georges ... The prevailing model of cosmology, called the lambda ...

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

The Hubble telescope was designed to be the first space-based observatory, which could be serviced and upgraded while it remained in orbit. It was named after Edwin Hubble, the astronomer who ...

John Grunsfeld has a model of the Hubble Space Telescope on his bookshelf. It's right next to a model of a NASA space shuttle ...