Love the "extra" daylight you see during daylight saving time? Clock's ticking. Americans are set to "fall back" and turn clocks back an hour in November, unless Congress decides to make the daylight ...

Time is ticking for you to set your clocks back. Daylight saving time will soon come to an end in November, unless Congress passes legislation that would make the clock-turning practice permanent.

Take a second and turn it into trillions of moments. Measure each one. That's how precisely an atomic clock at Singapore's Centre for Quantum Technologies (CQT) keeps time—and with record-setting ...

Physicists have unveiled the world’s most accurate clock — a timepiece so reliable that it would take more than 260 billion years to lose 1 second. Precision clocks are used in everything from ...