A 2.4-inch refracting telescope, for example, should never use more than 120-power magnification (the general rule of thumb is 50-power per inch of aperture).

Christmas is a great time to look for a telescope for your budding amateur astronomer. But there are some things to keep in mind when buying a telescope. Here are some tips and features to ...

Astronomers have scoured decades-old data from NASA 's Chandra X-ray Observatory, finding bright, lumpy features dotting a jet of energy spit out by a nearby black hole.

India now holds the honour of having the world's highest-altitude gamma ray telescope situated at 4,270 metres above sea level and it has the largest mirror in Asia.

Astronomers have constructed telescopes of every kind - massive observatories designed to pick up faint traces of light across space.

Some telescopes also use lenses to bend light and directly create an image instead of using lenses. This is a refracting telescope.

With a 90mm aperture and 800mm focal length, this refractor telescope offers a crystal-clear view of the night sky, perfect for both budding astronomers and seasoned stargazers.

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 ...

The Einstein Probe, a joint Chinese and European X-ray telescope mission, has commenced its journey into the cosmos, offering groundbreaking insights into the universe's most dynamic phenomena ...

Home to the world’s largest refracting telescope, the Yerkes Observatory in Wisconsin was so influential that Albert Einstein insisted on visiting. Now you can too.

The 2025 budget proposal might be the beginning of the end for the Chandra X-ray telescope, with Hubble also taking a hit.