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See the winners of the largest astronomy photo competition, selected from more than 5,800 entries sent in from more than 60 ...

The birth of the most massive stars -- those ten to a hundred times the mass of the Sun -- has posed an astrophysical riddle for decades. Massive stars are dense enough to fuse hydrogen while they're ...

The photograph showcases a vibrant scene, with the highlight being a star cluster named 'Pismis 24', located approximately ...

Top: An example of a protoplanetary nebula. - the Egg nebula Bottom left: An example of a planetary nebula - the Helix nebula. Bottom right: An example of a supernova remnant - SN 1006. Because ...

“Ghost stars,” or planetary nebulae, are some of the most beautiful objects in the cosmos. Formed when a red giant star burns through its nuclear fuel and sheds its outer layers, the nebulae (which ...

NASA released fascinating images from their Spitzer Space Telescope to mark the 50th anniversary of the wildly popular cult classic "Star Trek" TV series, which first aired on Sept. 8, 1966. The ...

A way of estimating more accurate distances to the thousands of so-called 'planetary nebulae' dispersed across our Galaxy has just been announced by a team of three astronomers. A way of estimating ...

Compass needles? Astronomers have discovered something weird in the Milky Way's galactic bulge - a population of planetary nebula are all mysteriously pointing in the same direction. They noticed the ...

Astronomers have used the European Southern Observatory’s (ESO) New Technology Telescope (NTT) and the Hubble Space Telescope to explore more than 100 planetary nebulae in the central bulge of our ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Each spring it becomes possible—for only a few short weeks, ...