The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

The weird outbursts of a distant supermassive black hole may be caused by a death-defying white dwarf walking a cosmic tight ...

Astronomers using the XMM-Newton telescope observed strange black hole behaviour. Located 270 million light-years away, 1ES ...

Save 14% on this 114mm push-to German Equatorial Newtonian telescope. It ships with a fully adjustable steel tripod, finderscope, 20mm and 10mm eyepieces. View Deal Gskyer Telescope 70mm ...

The observations made using the European Space Agency's XMM-Newton orbiting X-ray telescope appear to show a white dwarf ...

His theory of optics made him reconsider the design of the telescope, which up until this point was a large, cumbersome instrument. By using mirrors instead of lenses, Newton was able to create a ...

Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...

Save over $110 off this Newtonian reflector telescope. We think the Celestron StarSense Explorer DX 130AZ is one of the best budget telescopes, and we rate it as the best overall for under $500.

Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...

International teams of astronomers monitoring a supermassive black hole in the heart of a distant galaxy have detected ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Using the XMM-Newton X-ray telescope, astronomers have witnessed a supermassive black hole ...

The observations made using the European Space Agency's XMM-Newton orbiting X-ray telescope appear to show a white dwarf nearing the point of no return — called the event horizon — as it ...