Imagine a rom-com-worthy meet-cute: two strangers might hide from the rain in the same doorway or their dogs’ leashes might get tangled up in the park. Just like that, they fall in love. But a viral ...

Scientists are on the trail of a mysterious five-particle structure that could challenge one of the biggest theories in physics: string theory. This rare particle—never seen before and predicted not ...

In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called "Is the end in sight for theoretical physics?" Forty-five years later, ...