Cool: The galaxy's oldest globular cluster has been found. Cooler: Our galaxy is eating it.

Extremely ancient star cluster torn apart by the Milky Way.

By Phil Plait 3 weeks ago

How massive is the Milky Way?

How much stuff is in our galaxy?

By Phil Plait 1 month 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 2 months ago

The complex diversity of the gorgeous globular cluster M5

Globulars are far less simple than we used to think.

By Phil Plait 2 months ago

Want to slow aging? Gently fuse hydrogen all over your surface

By Phil Plait 4 months ago

This star cluster is slowly being taken over by black holes. In a billion years they’ll kill it.

By Phil Plait 6 months ago

Wait: Do black holes *really* swarm in the core of globular cluster NGC 6397?

By Phil Plait 8 months ago

Black holes swarm in the core of a globular cluster

By Phil Plait 11 months ago

An ancient star city circles our galactic twin. In fact... it's *too* ancient

By Phil Plait 1 year ago

Astronomers see the Milky Way eating one of its own

By Phil Plait 1 year ago