Save $116 at Adorama today. Save 25% on the Gskyer 70mm Alt-az refractor telescope at Amazon. This refractor comes complete with all the accessories a beginner astronomer would want: two eyepieces ...

The best telescopes allow astronomers to access exceptional views of the night sky, from stars and planets to galaxies and nebulas. They come in a range of configurations; our guide breaks down ...

Early telescopes were all refracting telescopes of the kind Galileo made ... The Gran Telescopio Canarias in Spain has the ...

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

There are three basic types of telescopes: reflectors, refractors, and Schmidt-Cassegrain telescopes. Each type has spin-offs. Refractor telescopes gather light with the objective lens ...

These telescopes use a large dish to collect radio waves. The dishes are sometimes solid, like satellite TV receivers, and sometimes constructed of a conductive mesh with openings between the ...

You'll find very best telescopes for astrophotography below. Gemma works for the European Space Agency and was the editor of All About Space magazine. She is the author of several books including ...

Discover the best telescopes for an unrivaled view of the cosmos — just in time for Black Friday savings. A telescope opens up a world of discovery, bringing the beauty and mysteries of the ...