At the summit of Cerro Pachón, one of Earth’s most powerful telescopes is now capturing some of the oldest light in the ...

New observations from the James Webb Space Telescope (JWST) suggest the cosmos may be much older than once believed. For ...

Veteran X-ray telescope discovery shows that... phew, current model of the cosmos still works Astronomers have found a ...

While Bianco will be present in Washington for the historic first-look event, UD is hosting a watch party in Room 101 of ...

Grinding, polishing, and figuring a telescope mirror is enormously rewarding. I did my first 8″ just over 50 years ago, and the idea that I could make an item accurate to millionths of an inch ...

That could damage or mar telescope parts.” Consider a first aid kit and don’t forget ... when I was a teenager just starting out in amateur astronomy with a new 6-inch Newtonian reflector,” he says.

By contrast, two older X-ray telescopes, ESA’s XMM-Newton and, especially, NASA’s Chandra X-ray Observatory, both launched in 1999, can produce much higher-resolution images of the intra ...

Though some adjustments are made by hand, electric motors control other parts of the observatory’s operation. One motor opens the dome’s shutter to the night sky. Another operates a rack and pinion ...

A 14-year-old middle school student from Zhengzhou, Central China's Henan Province, built a Newtonian telescope from discarded plastic pipes, parts of a drum set, and other materials, all for just ...

Here, I evaluate a new type of coma corrector: the Starizona Nexus 0.75x Newtonian Focal Reducer/Coma Corrector. As implied by the name, rather than slowing the telescope — as typical coma ...

Our machines can gaze at the visible and invisible parts of the cosmos and translate ... Isaac Newton was the first to really make it work. Newton's reflecting telescope consisted of a single ...