Black Holes

Ejected Black Holes Drag Clusters of Stars With Them

[/caption] The tight cluster of stars surrounding a supermassive black hole after it has been violently kicked out of a…

15 years ago

Messier 87 Shows Off for Hundreds of Earth-bound Astronomers

[/caption] When the giant radio galaxy Messier 87 (M 87) unleashed a torrent of gamma radiation and radio flux, an…

15 years ago

Astronomers Discover Medium-Sized Class of Black Holes

[/caption] It's the Goldilocks variety of black holes: not too big and not too small. The new source HLX-1,  the light…

15 years ago

Mysterious “Blobs” Are Windows Into Galaxy Formation

[/caption] Astronomers say they've discovered the "coming of age" of galaxies and black holes, thanks to new data from NASA's…

15 years ago

Super-Size Me: Black Hole Bigger Than Previously Thought

[/caption] Using a new computer model, astronomers have determined that the black hole in the center of the M87 galaxy…

15 years ago

No Nature VS. Nurture for Stars

[/caption] Stars don't seem to mind where they grow up. Either in a nice quiet neighborhood or in the hellish…

15 years ago

Could Ghost-Like Object Found by Chandra Be Another ‘Voorwerp’?

[/caption] The Chandra X-ray Observatory has found a cosmic "ghost" lurking around a distant supermassive black hole. Astronomers think this…

16 years ago

Distant black hole poses for a close-up

  [/caption] Astronomers have probed closer than ever to a supermassive black hole lying deep at the core of a distant…

16 years ago

Is Everything Made of Mini Black Holes?

In 1971 physicist Stephen Hawking suggested that there might be "mini" black holes all around us that were created by…

16 years ago

Rogue Black Holes May Wander the Galaxy

[/caption] Here's another "rogue black hole" theory, which hopefully doesn't set the doomsday crowd off on a new tangent. But…

16 years ago