These beautiful, shimmering tendrils of plasma are all that remain of an ancient massive star that, approximately 8,000 years ago, died and exploded as a supernova.
Distant galaxies birthing baby stars up to 1,000 times the rate of the Milky Way have been a long-standing mystery -- until now.
A dying star has left behind a beautiful, if temporary, parting gift -- an expanding planetary nebula.
Lithium has been detected in stellar material blasting away from an exploding star, possibly revealing the source of the basic element in young stars, thereby solving a mystery that has perplexed astronomers for decades.
A newfound giant black hole nearly as massive as 7 billion suns is dozens of times larger than astronomers expected given its host galaxy's size, researchers say.
Like a black fog churning through space, this view of a dark molecular cloud seems to extinguish the sparkle of distant stars.
For the first time, astronomers have added a new 3-dimensional perspective to the Hubble Space Telescope's dazzling view of the Eagle Nebula's famous 'Pillars of Creation.'
Astronomers have zoomed into an X-ray emission region immediately surrounding our galaxy's supermassive black hole and stumbled on a mysterious place where stars go to die.
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