There are two main ways to measure time: dynamic and atomic. Dynamic simply means motion. How long does it take the Earth to revolve around the sun?

Why have just one technological breakthrough when you can have two at the same time? The Royal Navy has installed for the first time a quantum clock into its XV Excalibur robotic submarine for ...

Each year, Daylight Saving Time (DST) starts on the second Sunday in March and ends on the first Sunday in November. Daylight Saving Time is observed by majority of U.S. states, except for Hawaii and ...

Scientists learned that reading a quantum clock requires orders of magnitude more energy than running it. This surprising imbalance reveals that observation itself shapes the flow and thermodynamics ...

On Sunday, Daylight Saving Time ended at 2 a.m. That’s the time when we “fall back’' by setting our clocks back one hour, and ...

On Sunday, Nov. 2, we head back into Standard Time and say goodbye to Daylight Saving Time until March 8, 2026.

Daylight saving time — often incorrectly referred to as daylight savings time — ends Sunday, Nov. 2, which means it’s time to set clocks back an hour. Spring forward and fall back, right? There is ...

Michigan will soon gain an hour this fall as we return to standard time in early November. On Nov. 2, Daylight Saving Time will end, and if you have any manual clocks at home, remember to set them ...

A time crystal that beats to the rhythm of both order and chaos has revealed a new way in which matter can keep time. New ...

Experts with the Bulletin of the Atomic Scientists in Chicago analyze the risks, both as they’re depicted in the movie and in ...