These ultrabright flashes have recently been tracked for days, upending ideas about the cataclysms that create them.
Groundbreaking results show that neutron stars of different masses may have the same size — upending astrophysical models.
The thorny thought experiment has been turned into a real experiment — one that physicists use to probe the physics of information.
A supernova-like explosion dubbed the Camel appears to be the result of a newborn black hole eating a star from the inside out.
A new study shows that extreme black holes could break the famous “no-hair” theorem, and in a way that we could detect.
Small black holes were nowhere to be found, leading astronomers to wonder if they didn’t exist at all. Now a series of findings, including a “unicorn” black hole, has raised hopes of solving the decade-long mystery.
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