Compound, or catadioptric, telescopes combine lenses and mirrors for a compact option, suitable for both planetary and ...

Want to make the most of your telescope? You need a mount to match. We have rounded up the best telescope mounts and you could save more this Prime Day.

Perfect for families and kids — the Celestron Powerseeker 50AZ allows you to enjoy views of the night sky without breaking ...

Price history: It's been cheaper during previous Prime Day and Black Friday events, but this price of $679 is the best we've ...

Plus, with Saturn making its return to the night sky next week after spending the last few months as a 'morning star', the ...

Recent developments have cast a shadow on critical federal funding needed to complete the Giant Magellan Telescope, a major University of Arizona project.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. One of the instruments on the Apollo ...

It is possible to steal the optics from another telescope or, of course, buy new. You probably don’t want to grind your own mirrors, although good on you if you do!