Milky Way, supermassive black hole

A mysterious, one-off flash of energy from an unknown object outside the Milky Way has left astronomers puzzled. The research ...
A star racing through the Milky Way may have a planet in tow, setting a new speed record for exoplanet systems. Using microlensing, astronomers spotted the pair moving at over 1.2 million mph.
JWST captured this dazzling display of flaring activity from the supermassive black hole at the center of our Milky Way.
The center of our Milky Way galaxy is hidden from the prying eyes of optical telescopes by clouds of obscuring dust and gas.
The Milky Way’s central black hole, Sagittarius A*, is an unstoppable cosmic firework show, flaring with wild bursts of ...
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...