See how telescopes capture the cosmos. ExtremeTech explains the science behind lenses and space exploration. Start exploring ...

The PRIMA space telescope would observe the cosmos in far-infrared light, while AXIS would be an orbiting X-ray detector.

The Sombrero galaxy, named for its resemblance to the Mexican hat, is about 30 million light-years from Earth.

The Celestron NexStar 8SE is the perfect telescope for anyone serious about stargazing. It's a great investment at full price ...

Over the quarter century I’ve been writing this column, I’ve been flabbergasted by the advances in telescopes for backyard ...

Determining the expansion rate of the universe, the "Hubble constant," shapes our understanding of the cosmos, its age, and its fate.

The world's largest fully steerable radio telescope is under construction in northeast China's Jilin Province.Located in ...

This Unistellar eQuinox 2 is a breeze to use, thanks to its app and it's a steal at $500 off this Black Friday.

One such telescope is the Chandra X-ray Observatory. Well, for most of you, the instant question upon hearing its name is: ...