Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

A small blue dwarf galaxy passed through the massive Bullseye galaxy. This impact created nine rings of new stars.

Think you know your 180s from a bullseye? Your Big Fish from a Shanghai? The difference between a bogey and going bust? Ahead of the World Darts Championship, here's all the darts jargon explained ...