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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Why You Can't See the Milky Way in the Spring Night Sky
Milky Way Over Bass Harbor Head Lighthouse
April 10th, 2015
Now that the bright moon has moved out of the evening sky, skywatchers have a great chance to view the early spring stars. And yet, even under dark skies, skywatchers will notice that there is something missing overhead: the Milky Way.
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Eerie Green Space Clouds Glow in New Hubble Photos
Green Filament in Galaxy UGC 11185
April 3rd, 2015
The eight objects betray the past presence of quasars, the most luminous objects in the universe, whose powerful beams of radiation lend the clouds their ethereal glow, researchers said.
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This Cosmic Ring Photo Is the One to Rule Them All
Gravitationally Lensed Galaxy SDP.81
April 8th, 2015
A new photograph of a distant galaxy looks like it was the inspiration for the 'one ring' in 'The Hobbit,' but it's actually a cosmic phenomenon in which the light from one galaxy is bent into a circle by the gravity of another galaxy.
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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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Virgo Rises: Spot Second-Largest Constellation This Week
59 Virginis in the Constellation of Virgo
April 17th, 2015
Right now is a good time to look for Virgo, since the bright moon is not lighting up the evening sky. (Virgo may be very large, but most of her stars are rather dim.)
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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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