Aug 30 2010
Galactic Cannibalization Sparks Powerful Radio Galaxies
What seems to be angering the supermassive black holes inside distant, yet powerful, radio galaxies?
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Aug 25 2010
Supermassive Black Holes Quickly Followed Big Bang
The finding could rewrite theories about the formation of galaxies.
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Aug 21 2010
Raucous Active Galaxy Destroys Own Environment
The powerful radio source in the center of M87 is a supermassive black hole, ripping away at the heart of the galaxy.
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Aug 13 2010
Old Galaxies Rejuvenated by Star Birth
Astronomers have found that some old galaxies are getting a new burst of star formation in rings beyond the extent of the visible light from the galaxy.
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Aug 10 2010
Colliding Galaxies Erupt with Violent Beauty
We've seen their dazzling beauty, but what exactly is going on in this technicolor picture of the Antennae Galaxies?
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Jul 21 2010
Most Massive Star Detected
Evidence suggests a newly found star is more than 300 times bigger than the sun -- twice the size of anything previously discovered.
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Jul 20 2010
The Quasar That Acts Like a Reverse Gravitational Lens
The first known case of a quasar acting as a gravitational lens has been discovered, magnifying a distant galaxy and splitting it into two distinct images. Jennifer Ouellette chats with the discoverers.
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Jul 16 2010
Powerful Cosmic Blast Breaks Records
The burst of X-rays was so strong that it temporarily blinded a NASA satellite.
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Jul 08 2010
Hanny and the Voorwerp: Cool Band Name, or Web Comic?
The story of "Hanny's Voorwerp" -- the mysterious cosmic cloud of "bluey stuff" -- is about to be immortalized in a web comic.
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Jul 01 2010
‘Immigrants’ Make Up Galaxy’s Oldest Stars
Many of the Milky Way's oldest stars are refugees from other older galaxies that were torn apart by collisions.
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