Black Holes
Stars Orbiting Close to Black Holes Flattened like Hot Pancakes
Playing with black holes is a risky business, especially for a star that is unlucky enough to be orbiting one.…
Supermassive Black Hole Kicked Out of Galaxy: First Ever Observation
For the first time, the most extreme collision to occur in the cosmos has been observed. Galaxies are known to…
Magnetic Fields Shape the Jets Pouring Out of Supermassive Black Holes (with video)
The cores of galaxies contain supermassive black holes, containing hundreds of millions of times the mass of Sun. As matter…
X-Ray Flare Echo Reveals Supermassive Black Hole Torus
The light echo of an X-ray flare from the nucleus of a galaxy has been observed. The flare almost certainly…
Why are there Black Holes in the Middle of Galaxies?
Question: Why are Black Holes in the Middle of Galaxies? Answer: The black holes you're thinking of are known as…
Milky Way’s Black Hole Gave Off a Burst 300 Years Ago
Our Milky Way's black hole is quiet - too quiet - some astronomers might say. But according to a team…
What Happens When Three Black Holes Collide?
The consequences of two black holes colliding may be huge, the energy produced by such a collision could even be…
Star Formation Extinguished by Quasars
According to new research, a galaxy with a quasar in the middle is not a good place to grow up.…
A Black Hole Observed in the Heart of Mysterious Omega Centauri
Omega Centauri is a strange thing. It's been classified as a star, then a nebula, then a globular cluster and…
Astronomers Find the Smallest Black Hole
Black holes seem to have no upper limit; some weigh in at hundreds of millions of times the mass of…