supermassive black holes
Flash From Black Hole Milky Way's Heart Lit up Vast Stream of Gas
"The flash was so powerful that it lit up the stream like a Christmas tree," said researcher Andrew Fox.
Most Massive Black Hole in Local Universe With 40bn Solar Masses Found
"Imagine condensing two-thirds of the Milky Way—which has a stellar mass equivalent to 60 billion suns—into a black hole and you have what we measured," said researcher Roberto Saglia.
Three Supermassive Black Holes Discovered at the Heart of One Galaxy
"Up until now, such a concentration of three supermassive black holes had never been discovered in the universe," Peter Weilbacher, from the Leibniz Institute for Astrophysics Potsdam, said.
Calculator Tells You What Will Happen If Earth Is Sucked Into a Black Hole
Black holes are dead stars that, after exploding as supernovae, have so much mass that nothing can hold them together, causing them to collapse into a singularity.
NASA Visualization Reveals How a Black Hole Warps Its Surroundings
"Simulations and movies like these really help us visualize what Einstein meant when he said that gravity warps the fabric of space and time," the creator of the images said.
Most Massive Neutron Star Ever Discovered Is at 'Tipping Point'
The star, named J0740+6620, has a mass more than two times that of our sun, but is just 18 miles wide.
Mystery Black Hole Appears to Have Hurled a Star Across the Milky Way
Astronomers found a "runaway star," dubbed PG 1610+062, in the outer halo of the Milky Way.
This Baffling Black Hole Is Way Smaller Than Scientists Thought
The findings expand our knowledge of black holes and the galaxies within which they are often found.
Supermassive Black Holes Create 'Galactic Fountains'
Astronomers have spotted a black hole spewing out vast amounts of incredibly cold gas.
An 'Invisible Galaxy' May Be Hiding in the Milky Way
Scientists think that at the heart of nearly every galaxy lies a supermassive black hole (SMBH) with immense gravity.
Supermassive Black Hole Discovered in a Tiny Galaxy
The galaxy belongs to a recently discovered, rare and unusual class of stellar systems known as ultracompact dwarfs.
New Telescope Captures Clearest View of Galaxy's Center
The image reveals in incredible detail a fiery region surrounding the supermassive black hole that lies at the heart of the Milky Way.
Astronomers Discover Mysterious Objects Galaxy's Center
"It was surprising, but you like to be surprised in science."
Scientists Are Close to Imaging Milky Way's Black Hole
The event horizon is the point of no return beyond which nothing, not even light, can escape the immense gravitational pull of the black hole.
Thousands of Black Holes Exist at Our Galaxy's Center
The black holes surround the supermassive black hole at the center of the Milky Way.
Black Holes May Turn 'mini-Neptunes' Into Rocky Planets
The planets face supernovas, gamma-ray bursts and gravity-disrupting stars in the crowded center of the Milky Way.
Most Massive Black Holes in the Universe Detected
More than half of these "ultramassive" black holes have a mass 10 billion times greater than the Sun.
Massive Black Holes Will Be Seen Colliding In 10 Years
They'e even predicting where the event is most likely to occur.
Supersonic Gas From Big Bang Formed First Black Holes
How supermassive black holes formed so quickly after the start of the universe has long baffled scientists.