astrophysics
Squishy Neutron Star Setback Dampens Hopes of Exotic Matter
Groundbreaking results show that neutron stars of different masses may have the same size — upending astrophysical models.
explainers
How Maxwell’s Demon Continues to Startle Scientists
The thorny thought experiment has been turned into a real experiment — one that physicists use to probe the physics of information.
astrophysics
Long-Missing Midsize Black Hole Flashes Into View
Black holes seemed to come only in sizes small and XXL. A new search strategy has uncovered a black hole of “intermediate” mass, raising hopes of more to come.
astrophysics
New Kind of Space Explosion Reveals the Birth of a Black Hole
A supernova-like explosion dubbed the Camel appears to be the result of a newborn black hole eating a star from the inside out.
Abstractions blog
In Violation of Einstein, Black Holes Might Have ‘Hair’
A new study shows that extreme black holes could break the famous “no-hair” theorem, and in a way that we could detect.
Abstractions blog
‘Unicorn’ Discovery Points to a New Population of Black Holes
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.