Black Holes

Exotic Objects, Galaxies

Why is this galaxy shaped like a boomerang?

Exotic Objects, Solar System

Astronomers find the closest (known) black hole to Earth

Exotic Objects

Tour 10 of the closest black holes to Earth

Exotic Objects, Galaxies

Astronomers call for help to learn how supermassive black holes form

Exotic Objects

How much space does a black hole take up?

Exotic Objects

Event Horizon Telescope peers down a black hole’s jet

Exotic Objects

A black hole creates a cosmic ray gun

Exotic Objects, Robotic Spaceflight

Hubble finds the best evidence yet for elusive midsized black holes

Exotic Objects

How do astronomers calculate the mass of a black hole?

Exotic Objects, Galaxies

Snapshot: Hubble hunts for cosmic carnage

Exotic Objects

Astronomers spot the universe’s biggest known explosion

Exotic Objects

How do black holes form?