The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

Flares of light have been observed in a disk orbiting the black hole Sagittarius A*, according to a team of astrophysicists studying the black hole who published their findings Tuesday in The ...

A new book demystifies black holes and explores what we still ... This was the famous paper in which Einstein laid out general relativity. The man was no ordinary artillery officer.