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 ...

There are two types of telescopes commonly used to explore the universe. Optical telescopes, such as Hubble and James Webb, rely on visible light emitted from the stars, planets and other bodies in ...

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 ...

Buying a telescope is a big step, especially if you’re not sure what all those terms — f/ratio, magnification, go-to — mean. So, to eliminate confusion and make sure you understand what you’re buying, ...

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 ...

Whether you seek to study the night sky for academic purposes or hope to pass on a love of astronomy to a new generation, a deep-space telescope is a wonderful way to view constellations, hunt for ...