Know what pop star Katy Perry has to say about her 11-minute space mission with Blue Origin which sparked intense criticism ...

On April 24, 1990, all 24,000 pounds of the Hubble Space Telescope were tucked away inside the Discovery space shuttle when ...

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 ...