The Hubble Space Telescope may be living our dream of wandering through the cosmos. It's the year 2000. We're floating in ...

Astronomers have discovered over a thousand photos of asteroids that had been hiding in Hubble images, unnoticed until now.

An curved arrow pointing right. The Hubble telescope's replacement – the James Webb space telescope – just had its final mirror installed. The new telescope has been in the works since 1996 ...

Even larger observatories have been planned including the Extremely Large Telescope (ELT), under construction in Chile's ...

The reflecting telescope has a 2.4 meter mirror that can’t be upgraded, but its cameras could be. The task of “reboosting a satellite in orbit, using the school bus-sized Hubble as a ...

Really the only part of Hubble that has been constant over its service life has been the Optical Telescope Assembly, consisting of the famously misground primary mirror, a secondary mirror ...

Hubble’s main light-collecting mirror is 2.4 metres in diameter (by comparison, the current largest optical telescope on Earth’s surface, the Gran Telescopio Canarias on La Palma in the Canary ...

The telescope is regarded as the successor to the Hubble space observatory which ... The shade it casts will lower the environment around Webb's mirrors and instruments to below minus 230C.