Latest News About Stars and Galaxies

Stars are giant, luminous spheres of plasma. Galaxies consist of stars, stellar remnants, dust, gas, and dark matter, bound together by gravity. Learn more about stars and galaxies.
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Supermassive Diet: Black Holes Bulk-Up on Dark Matter
Spiral Galaxies About to Collide
February 27th, 2015
It has long been assumed that the size of a supermassive black hole in a galaxy's core is intimately related to the number of stars that galaxy contains -- but it might not be that simple.
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Best 3D View of Deep Universe Reveals Astonishing Details (Video)
MUSE Surpasses Hubble
February 26th, 2015
Astronomers have just released a brand-new, best-ever 3D view of the deep universe, and it's a doozy.
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Rare 'Missing Link' Black Hole Apparently Found
The newly discovered object NGC 2276-3c (shown in inset) appears to be an intermediate-mass black hole, astronomers say.
February 27th, 2015
A newfound cosmic object may be a long-sought missing link that could help flesh out the black hole family tree. NGC-2276-3c, which lies about 100 million light-years from Earth, appears to be an intermediate-mass black hole.
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'Golden Stars' Flicker in Patterns That Da Vinci Would Love
Artist's impression of an eclipsing binary system that including a pulsating star called a Cepheid variable. Researchers have recently discovered a new type of variable star that pulsate in two frequencies, the ratio of which is surprising close to the fa
February 25th, 2015
Although these "golden stars" were spotted during a search for an extraterrestrial galactic Internet, the researchers say intelligent aliens have nothing to do with their flickering patterns, as far as they can tell.
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Star Explosions Help Solve Mineral Mystery of the Universe
Nova Delphini 2013
February 18th, 2015
Explosions on the surface of a dying star may help solve the mystery of the presence of lithium in the galaxy.
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Supernova Mystery Found at the Bottom of the Sea
Sunlight on Earth's Oceans
February 2nd, 2015
One of the least likely places you might think astronomers would learn about ancient supernovae is at the bottom of the ocean but scientists have done just that -- also dredging up a mystery.
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Cluster Filled with Dark Matter May House 'Failed Galaxies'
The Coma Cluster
February 20th, 2015
A strange set of 48 galaxies in the Coma Cluster has very few stars, revealing that these galaxies are especially rich in dark matter. The galaxies may have been robbed of much of their star-forming gas early in their formation, researchers say.
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Galaxy Merger Caught in Stunning Hubble Telescope Photo, Video
NGC 7714 Hubble View
February 18th, 2015
A spiral galaxy known as NGC 7714 drifted too close to a smaller, neighboring galaxy called NGC 7715. The merger bent both galaxies out of shape.
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