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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Telescope against a starry night Telescopes gather and focus light using precisely-shaped mirrors and lenses (or a combination of ...

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 ...

— -- As humans, we're limited by what we can see with the naked eye. While we're biologically suited to looking at things up close, our eyes can't zoom in to take a look at far-away objects. But ...

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, ...

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 ...

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 ...