The Hubble Space Telescope is celebrating its 35th anniversary in space today, but even as a senior citizen in the spacecraft ...

Initially, the astronomer who first made note of this fuzzy-looking glowing cluster thought it might be a nebula. But it’s ...

The world's most famous telescope is celebrating in style with new views of Mars, nebulas and a galaxy that reminds us of home.

At the summit, 13 telescopes sit along a ridge of formations that have built up around volcanic vents. The oldest telescope on site, and still the smallest, is the University of Hawaii’s 2.2 ...

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