Previously unobserved frequency changes in radio signals detected in a black hole binary system could change our understanding of black hole physics.

Previously unobserved frequency changes in radio signals detected in a black hole binary system could change our understanding of black hole physics.
Scientists probe cosmic microwave background and black hole radiation to test our understanding of electromagnetism.
Finding the Universe’s first black holes with the help of Hawking radiation.
Imaging a black hole is not an easy thing, it takes years of experiments, collaborations, grants, planning, and no small amount of luck.
45 years worth of radio telescope observations have identified a pair of supermassive black holes at the core of two galaxies set to merge.
Astrophysicist and retired NASA astronaut Steven Hawley takes us through his fascinating career.
Regions of spacetime where gravity is so strong that nothing, not even light, can escape!
Cosmic gas cloud blinks in sync with circling black hole.