Astronomers find a treasure trove of black holes in small galaxies

Dwarf galaxies have active black holes hiding in plain sight.

By Phil Plait 2 weeks ago

The secret of the bulge: A gorgeous partially digested galaxy in the Milky Way’s core

The star cluster Liller 1 is not what it appears.

By Phil Plait 3 weeks ago

Breaking down the structure and history of a nearby — and weird — galaxy

Centaurus A is under scrutiny as it eats other galaxies.

By Phil Plait 1 month ago

A nearby galaxy is giving birth to a brand new baby galaxy!

A small galaxy is born from the ripped-out guts of a big one.

By Phil Plait 3 months ago

An enormous black hole is blasting out chaos and… acting as a midwife for stars?

Huge black hole is actually helping stars be born.

By Phil Plait 5 months ago

Non-baryonic mystery: Where is this galaxy's dark matter?

A faint diffuse galaxy is missing its dark matter.

By Phil Plait 5 months ago

A satellite galaxy to the Milky Way has a way too big black hole at its heart

Leo I is far too small for its enormous central black hole.

By Phil Plait 6 months ago

It's galactic cannibalism all the way down

A satellite galaxy of the Milky Way ate a satellite galaxy of its own.

By Phil Plait 7 months ago

The Phoenix star stream, remnant of a long-dead stellar city

By Phil Plait 1 year ago

In dwarf galaxies, a black hole wind is rising

By Phil Plait 2 years ago