Physicists are learning to treat light not as an untouchable beam that simply passes through matter, but as something that ...

Even if it turns out that time loops never take shape, studying them provides key insights into the deepest rules of reality.

The theorized unseen structure of spacetime could also explain of the outstanding questions about the accelerating expansion ...

The fifth state of matter—the ultracold Bose-Einstein condensate (BEC)—has been an invaluable tool in unlocking the secrets ...

Quantum information theory is a field of study that examines how quantum technologies store and process information. Over the ...

In one of the rockiest years yet for science, Philadelphia-area researchers still managed to celebrate many wins. Here are five of them.