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A Black Hole So Big It ‘Should Not Exist’
Researchers have confirmed rumors of a black hole collision that challenges our ideas about how black holes form.
To Make Two Black Holes Collide, Try Three
How do black holes merge and make gravitational waves? Maybe with a little help from their friends.
Big Black Holes Found in the Smallest Galaxies
Tiny, dim “dwarf” galaxies have been found to hide gas-spewing black holes.
Philosophers Debate New ‘Sonic Black Hole’ Discovery
Opinions differ about what recent measurements of a sound-trapping fluid reveal about light-trapping black holes.
What the Sight of a Black Hole Means to a Black Hole Physicist
The astrophysicist Janna Levin reflects on the newly unveiled, first-ever photograph of a black hole.
An Astrophysicist Who Maps the Universe’s Terra Incognita
Priyamvada Natarajan has pioneered the mapping and modeling of the universe’s invisible contents, especially dark matter and supermassive black holes.
The Double Life of Black Holes
Perfect black holes are versatile mathematical tools. Just don’t mistake them for the real thing.
How Space and Time Could Be a Quantum Error-Correcting Code
The same codes needed to thwart errors in quantum computers may also give the fabric of space-time its intrinsic robustness.
New Studies Rescue Gravitational-Wave Signal From the Noise
Two independent papers vanquish lingering doubts about LIGO’s historic discovery of gravitational waves.