Black Holes
Hundreds of Hidden Black Holes Discovered
Astronomers now believe there are supermassive black holes at the heart of every galaxy. When these black holes are actively…
Heaviest Stellar Mass Black Hole Discovered
Black holes come in two varieties: supermassive and stellar. The supermassive variety can have millions of times the mass of…
Are We Made of Quasarstuff Too?
Carl Sagan noted that we're all made of starstuff; the elements fused together in stars and detonating supernovae. But maybe…
Searching for Objects Even Stranger Than Black Holes
Black holes are already plenty bizarre. Imagine all the mass of several suns compressed down into an object of potentially…
Supercomputer Will Simulate Colliding Black Holes
You just know this is going to take some serious computer horsepower. Rochester Institute of Technology’s Center for Computational Relativity…
Never a Star: Did Supermassive Black Holes Form Directly?
Astronomers now believe there's a supermassive black hole at the centre of almost every galaxy in the Universe. These black…
Supermassive Black Holes May Snuff Out Star Formation
New observations from the Spitzer Space Telescope indicate that supermassive black holes at the heart of elliptical galaxies might keep…
Galactic Collisions Set Quasars Ablaze
Some galaxies are relatively quiet, while others blaze with enough radiation that we can see them clear across the Universe.…
Counting up the Active Black Holes with Chandra
The newest image released from NASA's Chandra X-Ray Observatory is helping astronomers build up a census of the number of…
Black Holes are Key to the Evolution of the Universe
A supercomputer simulation has retraced the evolution of the Universe, giving astronomers new clues on where they should point their…