Improvements in clocks are setting the stage for a redefinition of the second. This is an Inside Science story. (Inside Science) -- Earlier this year, in a nondescript lab at the National Institute of ...

This particular clock is technically an ion clock, which is different from the more common atomic clocks that are based on measuring the resonant frequencies of a single cesium atom to regulate time ...

The return to "standard time" is better for our health according to sleep scientists, but the time change can be disruptive, and our bodies must also adjust to more hours of darkness as we head ...

Will the US spring forward clocks for daylight savings time in 2026? President Trump wants to stop changing clocks, Congress ...

For more than 43 years, clock master Jim Gramlich has given much of his life to the downtown clock, which was dedicated on its current location on Feb. 26, 1982 19th-century tower clock will strike ...