For many years, cesium atomic clocks have been reliably keeping time around the world. But the future belongs to even more accurate clocks: optical atomic clocks. In a few years' time, they could ...

The Doomsday Clock is the closest it has ever been to midnight, after it was officially reset by the Bulletin of the Atomic Scientists’ Science and Security Board (SASB) on Tuesday. The clock ...

A new comb-like computer chip could be the key to equipping drones, smartphones and autonomous vehicles with military-grade positioning technology that was previously confined to space agencies and ...