black holes
Black Hole Megastructures May Be Powering Alien Civilizations, Scientists Say
Dyson spheres encompassing around black holes could yield up to one million times more energy than those built around stars, according to a new study.
Scientists Have Seen Light from the Far Side of a Black Hole for the First Time
The detection confirms a key prediction of Einstein's theory of general relativity.
How an Earth-Sized Telescope Images Supermassive Black Holes
Ziri Younsi, a member of the Event Horizon Telescope collaboration, explains how scientists managed to photograph a black hole across 55 million light years.
What Scientists Have Learned from Hidden Ripples in Spacetime
MIT astrophysicist Nergis Mavalvala talks about the discovery of gravitational waves—and everything that has followed—on Motherboard’s “Space Show.”
Black Holes Are Slowly Taking Over a Cluster that Orbits Our Galaxy
Palomar 5, a cluster flanked with giant star tails, will be completely usurped by black holes in one billion years, scientists predict.
Scientists Confirm Stephen Hawking’s 50-Year-Old Theory About Black Holes
A wave signal from space validates Hawking’s prediction that the area of an event horizon should never decrease.
Scientists Detect a Black Hole Eating a Neutron Star In Mind-Blowing First
Nobody had ever seen a system containing a neutron star and a black hole. In January 2020, scientists detected two of them.
Unexplained X-Ray Blasts from Space Might Just Solve a Cosmic Mystery, Scientists Say
Nobody knows what causes quasi-periodic eruptions (QPEs), but a new study has found a much more efficient way of detecting these mysterious explosions.
Scientists Think They Found a 'Unicorn' Black Hole Close to Earth
Located 1,500 light years away, the 'Unicorn' is the closest known black hole and is also unusually small.
'Dark Sirens' In Space Can Solve a Huge Mystery In Spacetime, Scientists Propose
Ripples in spacetime caused by black holes colliding in darkness could help scientists clock the expansion of the universe.
Scientists May Have Detected a Huge Collision Between Blobs of Dark Matter
If confirmed, the collision between never-before-seen boson stars may solve the long search for the source of dark matter.
Scientists Found a Raging Galactic Core From Near the Beginning of Time
The active galactic nucleus is powered by a supermassive black hole and was spotted just 670 million years after the Big Bang, making it the most distant quasar ever discovered.