Ever since general relativity pointed to the existence of black holes, the scientific community has been wary of one peculiar ...

Ever since general relativity pointed to the existence of black holes, the scientific community has been wary of one peculiar ...

The laws of general relativity suggest that it is possible for an object to have such a density that nothing, not even light, ...

Stellar black holes, these cosmic monsters born from the collapse of massive stars, play a key role in galaxy dynamics. A ...

When British physicist Roger Penrose suggested in 1969 that energy could be pulled from a rotating black hole, it sparked a ...

2024 — Researchers conducted innovative simulations of spinning black holes grounded in general relativity, which clarified that the ultraluminous accretion disk (i.e., gaseous spiral ...

Quantum ideas describe particles and fields in tiny packages, but general relativity paints gravity as smooth curves in space ...

Black holes are simpler than you might think. General relativity predicts that the only rotating black hole solution is the Kerr spacetime. This means a black hole can be fully described by just ...

The gravity quantum field is calculated in flat spacetime. The curved classical metric is calculated using the expectation ...

The biggest challenge in theoretical physics for more than a century has been to develop a unified theory that combines ...

Roger Penrose suggested black holes might release energy. He proposed that near a rotating black hole’s outer zone—called the ...