BLACK HOLE

When one star took a fatal dive into another dying star, it set off an explosive reaction that created an object even colder than space itself.

How those black holes grew to their enormous sizes in less than one billion years after the Big Bang is a long-standing problem in astrophysics.

A study shows two black holes in space combining millions of light years away are growing to be multiple times the size of our sun.

Events on Earth like tornadoes and earthquakes are nothing compared to the dangers of our solar system, our galaxy and our universe.

Astronomers decided to put Einstein’s General Theory of Relativity to test with an experiment to verify one of the basic principles of black holes.

A study shows supermassive black holes may be making planets uninhabitable.

A star suffered an epic fail when it quietly collapsed into a black hole instead of exploding in a brilliant supernova.

The galaxies formed less than one billion years after the Big Bang and could explain the existence of massive galaxies in the early universe.

Called “naked singularities,” their existence has been predicted in a “saddle”-shaped universe. If proven, the new theory would undermine general relativity.

A new bright spot scientists just saw in a powerful galaxy might be a rare type of supernova explosion or it could be a supermassive black hole that just ate a delicious meal.

Black holes are notorious serial starkillers, so good at what they do that we don’t even have photos of them, just the NASA version of police sketches.

Astronomers may have found a supermassive black hole that has left its usual place at the center of its galaxy and is on the move.

Astronomers have discovered three quasars — each a billion times the mass of the sun — whose very existence challenges our conventional understanding of how supermassive black holes form and evolve.

Observations made using NASA's NuSTAR telescope have revealed that supermassive black holes in merging galaxies do most of their feeding during the later stages of galactic mergers, when they're heavily obscured.

When science and art come together, it can help us envision what our universe looks like beyond the bonds of Earth’s gravity.

A binary star exploded in a supernova and showered its only friend in calcium.

Astronomers say a pulsar, which is the lighthouse of stars, is orbiting a black hole in the constellation Sagittarius.

XB091D had slowed down to one revolution every few seconds, but began accelerating again less than one million years ago, and currently revolves once every 1.2 seconds.

Two supermassive black holes have been found at the middle of galaxies that are tiny because they were torn apart and eaten by others.

The baby stars forming in starburst galaxy NGC 4536 will die young because they are burning up their gas too quickly.

After five nights of observations, astronomers associated with the Event Horizon Telescope project said Wednesday that they may have succeeded in snapping a photograph of Milky Way's supermassive black hole.