New research by physicists from the University of Oxford, Johns Hopkins University and the Institute of Astrophysics in Paris shows that collisions between...
A supermassive black hole in the center of H1821+643, a quasar about 3.4 billion light-years away from Earth, is rotating at about half the speed of light.
This...
Black holes are famously compact objects where the paths of light are drastically bent by the curvature of space-time. While light itself cannot escape...
Gravitational-wave detectors can be used to measure gravitational-field hair of extreme black holes, according to a paper published in the journal Physical...
Spinning black holes store rotational energy that can be extracted; when a black hole is immersed in an externally supplied magnetic field, reconnection...
Physicists from the University of Glasgow and the University of Arizona have experimentally verified a half-century-old theory that began as speculation...
By combining the capability of NASA’s Chandra X-ray Observatory with the power of a natural phenomenon called gravitational lensing, a team of astronomers...
According to a theoretical paper published in the Annals of Physics, by Dr. Ovidiu Racorean from the General Direction of Information Technology in Bucharest,...
In a paper published in the journal New Astronomy, theoretical physicist Ovidiu Racorean suggests that X-ray photons emitted by accretion disks around...
ASASSN-15lh, an extremely bright explosion in a massive galaxy 3.82 billion light-years away, was thought to be the most luminous supernova ever seen....