Black holes
Latest about Black holes
Supermassive black holes may solve mystery of our universe's gravitational-wave 'hum'
By Robert Lea published
NANOGrav made the first detection of low-frequency gravitational waves this year. Now, the hunt is on to find the source of these ripples in space — and supermassive black holes are lead suspects.
Black hole jet surprises scientists with 'peculiar' radio signal
By Robert Lea published
For the first time, astronomers have spotted small-scale super-fast changes in a jet of super-energetic plasma jet blasting out from a small black hole.
A supermassive black hole is spitting a high-energy jet toward Earth
By Robert Lea published
But don't panic — the powerful blazar is located 400 million light-years from Earth.
Was Oppenheimer, the father of the atomic bomb, also the father of black holes?
By Robert Lea published
The name Oppenheimer will always be synonymous with the power and destruction of the atomic bomb, but the physicist also played an essential role in the study of black holes.
White holes: What we know about black holes' neglected twins
By Charlie Wood last updated
Reference White holes are theoretical cosmic regions that are opposite to black holes. Just as nothing can escape a black hole, nothing can enter a white hole.
Colliding black holes could hide in the light of superbright quasars
By Robert Lea published
Only an extreme environment could hide the collision of two stellar-mass black holes — and feeding supermassive black holes could provide such cover.
Hungry black hole 'switches on' as astronomers watch in surprise
By Robert Lea published
Astronomers have witnessed one of the most dramatic "switching on" events ever seen as a distant supermassive black hole began greedily feasting on its surrounding matter.
Supermassive black holes grow surprisingly quickly, study suggests
By Robert Lea published
A new way to estimate the masses of supermassive black holes suggests that these cosmic titans may grow faster than previously believed.
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