Giant ground-based reflector telescopes do much of astronomy's heavy lifting, although the U.S.'s largest in Hawaii is not ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

If, for example, you want to observe January's Mars at opposition, when the planet is at its brightest, you'll need a telescope that's up to the task. That's why we've rounded up the best ...

Alternatively, you can pay €0.50 per article, capped at €1 per day. AN historic telescope mirror was returned to its rightful home, Birr Castle Demesne, during the summer months. At the beginning of ...