This week, see what makes loggerhead sea turtles “dance,” track a cosmic “ghost particle,” uncover an ancient basilica, and more.

Supernova debris speeds up neutron stars, strengthening magnetic fields. This explains why low-intensity magnetars still produce bursts.

A new trick for illuminating the internal ordering within a special type of magnet could help engineers build better ...

Every few hundred thousand years, Earth’s magnetic poles flip, turning north into south and south into north. These ...