The flow and movement of individual solid particles — be it grains of lunar dust or the powdered contents of a medication — holds tremendous research value for scientists in a variety of fields. Now, ...

Physics is this close to understanding the entire universe. And what lives in this gap? Many physicists think it’s the elusive graviton—the quantum particle of gravity—whose discovery will finally ...

Gravitons, the particle of quantum gravity, may be impossible to detect. To progress to the next level in understanding reality, we need to combine quantum mechanics and Einstein’s general relativity.