"One of the key lessons learned from other programmes, including Hubble, is to start your technology early and ... expansion has an extremely small variation making the telescope optics intrinsically ...

For example, NASA officials noted that Dragon's thruster exhaust could potentially contaminate Hubble's supersensitive optics. But the agency's decision was not a permanent, blanket "no." NASA ...

The optical cabin's field of view will be 300 times as large as that of the Hubble and it will be connected with a soon to be launched space station. China plans to launch an independent optical ...

NASA estimates that the Hubble Space Telescope has about 10 years of useful life before it burns up in an uncontrolled ...

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, which delivered Hubble to space 35 years ago, and it's no secret why ...

two teams of astronauts completed the first servicing of the Hubble Space Telescope. A key aim of this first servicing mission was to install corrective optics to compensate for the telescope’s ...

two teams of astronauts completed the first servicing of the Hubble Space Telescope. A key aim of this first servicing mission was to install corrective optics to compensate for the telescope’s ...

"Knock on wood, it can go another 10 years," former astronaut John Grunsfeld says. John Grunsfeld has a model of the Hubble Space Telescope on his bookshelf. It's right next to a model of a NASA ...