
Record-Breaking Supernova Is Part of a New Class of Objects
A recently spotted bright light in the sky is improving astronomers’ understanding of stellar death

Record-Breaking Supernova Is Part of a New Class of Objects
A recently spotted bright light in the sky is improving astronomers’ understanding of stellar death

Major African Radio Telescope Will Help to Image Black Holes
The $25-million facility in Namibia will be the continent’s first millimeter-range astronomical observatory


Astronomers Find First Ever Rogue Black Hole Adrift in the Milky Way
Weighing in at seven times the mass of our sun, the dark object is by far the best-yet candidate for a free-floating stellar-mass black hole

Could Echoes from Colliding Black Holes Prove Stephen Hawking’s Greatest Prediction?
Subtle signals from black hole mergers might confirm the existence of “Hawking radiation”—and gravitational-wave detectors may have already seen them

Singularities Can Exist Outside Black Holes—in Other Universes
Recent work has shown how “naked singularities” might defy the cosmic censorship conjecture

Astronomers Find an Unexpected Bumper Crop of Black Holes
In trying to explain the spectacular star trails of the star cluster Palomar 5, astronomers stumbled on a very large trove of black holes.

Black Holes, Quantum Entanglement and the No-Go Theorem
New research shows that there are problems even quantum computers might never be able to solve

Black Holes Swallow Neutron Stars in a Single Bite, New Results Suggest
At long last, the definitive discovery completes a trifecta of astrophysical events that were forecast by gravitational-wave astronomers

Death by Primordial Black Hole
If such an object a mere 1,000 times bigger than an atom passed through your body, the result would not be pretty

Magnetic Field around a Black Hole Mapped for the First Time
Images from the Event Horizon Telescope reveal new details of how supermassive black holes produce huge jets of matter and energy

Galaxy-Size Gravitational-Wave Detector Hints at Exotic Physics
Recent results from a pulsar timing array, which uses dead stars to hunt for gravitational waves, has scientists speculating about cosmic strings and primordial black holes

What 50 Gravitational-Wave Events Reveal about the Universe
Astrophysicists now have enough black-hole mergers to map their frequency over the cosmos’s history