AP News recently ran a story on the interface of religious inspiration and the search for dark matter. I thought about commenting on it, then...

There are more things in heaven and earth, Horatio, than are dreamt of in your philosophy.

– Hamlet

One of the great privileges of astronomy is that there’s always something new and surprising to discover. It’s a big universe. There’s a lot in it.

In appreciation of this simple joy, I thought I’d share a nifty discovery made b...

The stability of spiral galaxies was a foundational motivation to invoke dark matter: a thin disk of self-gravitating stars is unstable unless embedded in a dark matter halo. Modified dynamics can also

If a title is posed as a question, the answer is usually

No.

There has been a little bit of noise that dark matter might have been detected near the center of the Milky Way. The chatter seems to have died down quickly, for, as usual, this claim is greatly exaggerated. Indeed, the