But in the past two decades, new types of black holes have been seen and astronomers are beginning to understand how they ...

A pair of stars orbiting one another has been found near the supermassive black hole Sagittarius A* using the European ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration. At the same time several telescopes, including the Chandra X-ray Observatory ...