Our guide features the best telescopes for seeing planets, tested by expert reviewers who are seasoned skywatchers. We recommend a telescope with a long focal length and a large aperture so that ...

Get a closer look at this month's Flower Moon with the best telescopes to suit every budget and experience level. May brings the Flower Moon on May 12, a sight that only looks better when viewed ...

If you're tired of lugging your massive telescope to dark sky sites to observe the night sky, these small telescopes are much ...

The RedCat 91 is a well-crafted astronomical imaging refractor that is easily portable, with a machined aluminum finish and ...

An affordable telescope that can easily take images of the moon and sunspots on the sun thanks to a planetary camera will please some, but a flimsy build quality and a lack of optical prowess ...

They use glass lenses instead of mirrors, and you look through the telescope from the top. Refractor telescopes have long optical tubes as light travels in a straight line to the eyepiece. Compared to ...

Designers of refracting telescopes figured out ... Despite myriad embellishments, however, most optical telescopes in use in the 21st century derive from the two types developed in the 17th ...

Refracting telescopes dominated the nineteenth century, with the size of apertures rising to reach the physical limits for lens manufacture at a diameter of around one metre. A key optical ...

Chinese scientists are working to set up the world's largest refracting telescope in Tibet Autonomous ... science and technology Lhasa Wang Junjie said construction for the optical telescope, with a 1 ...