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.
Read More
Brightest Galaxy in the Universe Found
Most Luminous Galaxy in the Universe
May 22nd, 2015
A newfound galaxy 12.5 billion light-years from Earth is the most luminous one known in the universe, blazing more brightly than 300 trillion suns. The engine behind the galaxy's brilliance may be a supermassive black hole, researchers said.
Read More »
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.
Read More »
Strange 'Nasty' Star May Be Spawned by Cosmic Cannibalism
Gas Surrounding Wolf-Rayet Star
May 22nd, 2015
Observations by NASA's Hubble Space Telescope have revealed a disk of gas nearly 3 trillion miles wide surrounding Nasty 1, suggesting that the star's strange appearance and behavior may stem from an ongoing act of cosmic cannibalism.
Read More »
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.
Read More »
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.
Read More »
Exploring the Famous Southern Cross Constellation
The Southern Cross Constellation
May 19th, 2015
The Southern Cross has long been a celestial landmark for explorers and travelers to the lands below the equator. You can see the famous constellation now, but you must go farther south than 25 degrees north latitude.
Read More »
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.)
Read More »