New data from the James Webb Space Telescope may solve a riddle from the universe’s beginnings. A compact, distant object called “The Cliff” appears to show that many of the mysterious “little red ...

A new study of super-fast-moving stars suggests that they were accelerated by a monster black hole that's been lurking unseen in the galaxy next door. This appears to be the closest supermassive black ...

Astronomers tracked a star in Andromeda as it dimmed and vanished without the usual fiery explosion, offering rare clues to how black holes form.

A supermassive black hole that’s 10 million times the mass of the Sun is hurtling through space, leaving a trail of gas that’s spawning newborn stars in its wake. Astronomers have long theorized about ...