Astronomers nicknamed the structure around PSR B2224+65 the Guitar Nebula because of its rockin' shape. X-ray: NASA/CXC/Stanford Univ./M. de Vries et al.; Optical: (Hubble) NASA/ESA/STScI and ...

Called Olbers’ paradox, the seemingly simple mystery of the sky’s darkness is something that stumped astronomers for ...

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 ...

Did you know? A nebula is made up of hydrogen, helium, and other ionized gases, making it a giant cloud of dust and gas. NASA Hubble Space Telescope captures 5 images of enormous supermassive black ...

A famous example of an emission nebula is the Orion Nebula, a huge, star-forming nebula in the constellation Orion. A reflection nebula called NGC 1999 lies close to the famous Orion Nebula, about ...

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 ...

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The sprawling "Guitar Nebula" in deep space. A rapidly spinning, profoundly dense object is blasting a "flame-like" beam into ...

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