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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Black Hole Winds Quench Star Formation in Entire Galaxies
Galaxy IRAS F11119+3257
March 25th, 2015
Giant winds from black holes can blast gas through galaxies at extraordinary speeds, pulling the plug on star formation, researchers say.
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Fastest Star in the Galaxy Has a Strange Origin
Hypervelocity Star Speeding Away
March 5th, 2015
The fastest-known star in the Milky Way is on a path out of the galaxy, and new research suggests it was a supernova that gave it the boot.
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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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Spring Skywatching: Spot Canis Major, the Big Cosmic Dog
Canis Major Sky Map March 2015
March 20th, 2015
Look southward just after the sky gets dark at this time of year, and you will be sure to see Sirius shining brightly. This is the brightest star in the sky, and marks the eye of the constellation called Canis Major, Latin for "the Large Dog."
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Galactic 'Missing Link' Reveals Early Galaxy Formation
Artist's Impression of the Protocluster - ALMA
March 3rd, 2015
Scientists have found an early galaxy that produces more stars in a single day than the Milky Way creates in a year.
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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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Far Flung Star Cluster Found at Milky Way's Edge
Newly Discovered Cluster Camargo 438
March 10th, 2015
The star cluster is unique since it's located thousands of light-years away from the main disc of our galaxy.
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March Skywatching: Spot the Celestial Ship Argo
This chart shows the constellation Vela (The Sails); most of the stars that can be seen in a dark sky with the unaided eye are marked.
March 2nd, 2015
As the calendar shifts into March, skywatchers' ship will really come in. The ship in question is the constellation Argo Navis, which can be seen at around 10 or 11 p.m. local time throughout March, low in the night sky near the southern horizon.
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