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Opinions differ about what recent measurements of a sound-trapping fluid reveal about light-trapping black holes.
The astrophysicist Janna Levin reflects on the newly unveiled, first-ever photograph of a black hole.
Priyamvada Natarajan has pioneered the mapping and modeling of the universe’s invisible contents, especially dark matter and supermassive black holes.
The same codes needed to thwart errors in quantum computers may also give the fabric of space-time its intrinsic robustness.
Two independent papers vanquish lingering doubts about LIGO’s historic discovery of gravitational waves.
Quasars powered by supermassive black holes have been unexpectedly vanishing. Scientists have started to figure out why.