Check out our Celestron NexStar 4SE review for more. Save over $90 on this Go-To telescope that comes with a very large aperture and plenty of accessories. It is an older model, but that helps it ...

Save over $300 on the Sky-Watcher SkyMax 180 which features in our best telescopes for seeing planets guide. We think it's the best out there for precision as it has a huge aperture and a long ...

NASA's Nancy Grace Roman Space Telescope team has successfully integrated the mission's telescope and two instruments onto ...

Many people have heard of the Keck Observatory and the Hubble Space Telescope, but few realize just how many powerful ...

Returning to single-aperture telescopes, many teams in Europe and ... for efficient coupling there is no alternative to the use of large-diameter multi-mode fibre that may be split into many ...

New observations show that newly formed planets close to a star help shepherd dust and gas to create more planets farther out ...

The universe’s light-starved early epochs, as well as the first stars and galaxies, lie beyond the reach of conventional ...

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

With arrays of multiple far-flung telescopes, the effective aperture of these arrays is as large as the distance between telescopes. The largest array's effective aperture size is many times the ...

If you think that choosing the most powerful home telescope is just as simple as finding one with the highest magnification capability, then you’re wrong! There are many other key factors affecting a ...

An Australian astronomer has developed a camera module to capture high-resolution pictures of earth’s neighboring planets.

Square Kilometer Array A 120-meter diameter radio telescope is under construction in China and, once built, will be the world ...