It’s a fundamental principle of physics that particles with opposite charges attract each other, while those with the same charge repel. But now, scientists at the University of Oxford have found that ...

For nearly two centuries, physics textbooks have treated light as magnetically indifferent to the materials it passes through, a pure messenger of energy and information that leaves magnetic order ...

The most extreme fireworks in the universe are supposed to follow rules. Gamma-ray bursts, the brightest explosions known, are neatly sorted into categories, each tied to a familiar kind of cosmic ...