The universe may contain a staggering 40 quintillion black holes
Astronomers estimate that about 40 quintillion stellar-mass black holes exist within the observable universe, a number written as…
Scientists Say Some Black Holes Are Born From Other Black Holes
Since LIGO’s Nobel-winning discovery of gravitational waves—ripples in spacetime—the U.S.-based detector has been picking up on hundreds of…
Many black holes had past lives, new research shows | MIT News
When a star dies, a black hole is born. This has been the textbook origin story for most…
Astronomers Unveil Record-Breaking Haul of 161 New Black Hole Collisions
A major new release of gravitational-wave detections is offering researchers an unprecedented view of some of the universe’s…
Mysterious Cosmic Signal Could Be First Real Evidence of Primordial Black Holes
Artist’s illustration of two black holes orbiting each other. Credit: Carl Knox, OzGrav, Swinburne University of Technology Scientists…
A new way to spot signs of dark matter | MIT News
Dark matter is thought to make up most of the matter in the universe, but the only way…
Black hole GW190521 may be a wormhole from another universe
For just one-tenth of a second in May 2019, the universe delivered a signal that did not fit…
“One of the Most Titanic Blasts in the Cosmos”: Gravitational Waves Support a “Forbidden Range” of Stellar Obliteration
Gravitational waves reveal an explosive “forbidden range” of stellar destruction so powerful that not even a black hole…
A Cosmic ‘Dead Zone’ for Black Holes Is Real, New Evidence Suggests
A recent LIGO catalog update more than doubled the number of confirmed gravitational wave signals—ripples in spacetime caused…
APOD: 2026 March 26 – Black Holes and Neutron Stars: 218 Mergers and Counting
APOD: 2026 March 26 – Black Holes and Neutron Stars: 218 Mergers and Counting Discover the cosmos! Each…