The unusual interaction triggered a strange new type of supernova that appeared to explode twice.
Black holes
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Astronomers spotted the ultramassive black hole inside the Cosmic Horseshoe, an equally gargantuan galaxy so powerful that...
The ancient behemoth was present just 500 million years after the Big Bang.
The proposal is highly theoretical and likely will take at least several decades to realize, but if...
The finding suggests a pair of gigantic Fermi bubbles in our galaxy formed after the dinosaurs.
The powerful merger, designated GW231123, produced an extremely large black hole about 225 times the mass of...
The 2026 budget request states that NSF will operate only one of the two LIGO sites, drastically...
The lightless behemoths are explored in new simulations of their interactions with extremely dense stars.
The findings suggest black holes could provide a cheaper, natural alternative to billion-dollar particle colliders, if we...
Using multiple wavelengths and some atmospheric jiu-jitsu, astronomers are changing how we see the universe.
