As anticipation builds for the longer days that follow this weekend's switch to daylight savings time, the moment seemed ...

Atomic clocks use quantum physics and the resonant frequency of atoms, like cesium, to define time. Modern timekeeping relies on the accuracy of atomic clocks, which revolutionized timekeeping by ...

As sunlight filters through your window each morning, a quiet, powerful rhythm pulses inside your body. This inner clock tells you when to sleep, eat, and wake. It keeps pace with the 24-hour cycle of ...

Modern timekeeping relies on the accuracy of atomic clocks, which revolutionized timekeeping by using the quantum behavior of atoms to measure time. Discover how these incredibly precise clocks work, ...