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 primarily collect light to see faint objects. Most beginner telescopes are sold complete, ready to use. Larger telescopes gather more light, allowing observation of fainter objects.

The comet will come closest to Earth on Oct. 20. There's hope that it may become bright enough to glimpse with the naked eye.

II. THE simplest form of the reflecting telescope is that in which only one reflecting surface is used, known as the Herschelian, or, as Sir John Herschel, in his work, “The Telescope,” calls it, “the ...

This powerful Newtonian reflector telescope has hundreds of 5-star Amazon reviews and is at one of its best-ever prices. When you purchase through links on our site, we may earn an affiliate ...

The first telescopes, known as refracting telescopes, were built in the early 17th century by Dutch eyeglass makers. They employed a pair of lenses—one convex fitted at the end of the scope, and one ...

It's amazing what you can find on the streets of San Francisco. No, the actual city streets, not the '70s cop drama starring Michael Douglas. I recently came across a scavenger's treasure in the ...

Choosing the best telescope for the money depends to a large extent on what you hope to see. If you want to scan distant nebulas, you can pay $1,000 and up, and it will still be good value. If you’re ...

Construction plans for the largest telescope on Earth remain uncertain, but a possible alternative future for the Thirty Meter Telescope project is beginning to take shape. Plans for the massive ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Is Hubble still working? The most important space telescope ...