Telescopes are specialist optical instruments that have been around for over 400 years and are useful for many applications including seafaring, military operations and especially stargazing. But not ...

Telescopes gather and focus light using precisely-shaped mirrors and lenses (or a combination of both). The larger the telescope’s main mirror or lens, the more light is gathered and the more detail ...

Larger telescope apertures gather more light for clearer images. Different telescope types (refractor, reflector, catadioptric) have varying strengths. Telescope mounts (altazimuth, equatorial) impact ...

There’s nothing like looking at the night sky to remind you how small you are in the scheme of the universe. If you want to get a closer look at the wonders outside Earth’s atmosphere, a telescope is ...

I'm often asked to recommend a telescope, especially around the holidays, when gift-giving is on our minds. Today I'll share a few suggestions, but before we talk specifics, let's look at the ...

Maybe you have had a casual interest in astronomy for years, looking up at the night sky every chance you get. Or maybe you’ve just recently become interested in the wonders hanging high above our ...

Why build a telescope? YOLO, as the kids say. Having decided that, one must decide what type of far-seer one will construct. For his 10″ reflector, [Carl Anderson] once again said “Yolo”— this time ...