
At Last, a Black Hole’s Image Revealed
The Event Horizon Telescope captures one of the universe’s most mysterious objects

At Last, a Black Hole’s Image Revealed
The Event Horizon Telescope captures one of the universe’s most mysterious objects

Gravitational-Wave Astronomers Detect Hints of Largest Black-Hole Merger Yet
Physicists at the LIGO experiment have now detected 11 cosmic events that produce ripples in the fabric of space-time


The puzzle of the first black holes
Astronomers are puzzled about how the oldest supermassive black holes could have grown so big so early in cosmic history

LIGO’s Latest Black-Hole Merger Confirms Einstein, Challenges Astrophysics
New results from the gravitational wave observatory hint that black holes move in mysterious ways

Giant Black Holes May Be on a Collision Course
Astronomers have found what may be two supermassive black holes in a quasar due to become one in roughly 21 years