Hubble observations have revealed a stellar-mass compact object — a black hole or possibly a neutron star — wandering our galaxy.
Using a worldwide array of telescopes, the Event Horizon Telescope team has given us our first look at Sagittarius A*.
Astronomers have discovered a pair of supermassive black holes that whirl around each other every two years.
A high-resolution infrared image has revealed a dust screen obscuring a gas-devouring supermassive black hole in the center of the galaxy NGC 1068, confirming 30-year-old predictions.
New observations suggest a black hole 100,000 times the mass of the Sun lurks in the center of a globular cluster of the Andromeda Galaxy.
Astronomers have identified the origin of a mysterious flash that occurred three years ago.
A satellite galaxy dwarfed by the Milky Way has a black hole nearly as massive as the one at the center of our galaxy.