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.
As spotted by NASA's Chandra X-ray Observatory, a binary star system 7,500 light-years away has undergone a violent stellar wrecking ball event.
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.
New observations of a star-forming nebula have revealed four stellar embryos, providing clues as to how multiple star systems evolve.
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