Two bills, one in the U.S. Senate and one in the U.S. House, seek to make daylight saving time permanent. Both remain in ...

All four clocks are about 24 feet in diameter, said Mike Elderhorst, the fifth-generation owner of the company that tends the automated control system. The hands, made of copper and brass, are heavy.

JILA researchers are pioneering a nuclear clock using thorium-229, which offers unprecedented stability compared to atomic ...

Marco Rubio, who is now at the helm of the State Department ... The Standard Time Act in 1918 was the first introduction of ...

Daylight saving time in 2025, when clocks change by an hour, has begun. Here's a look at when exactly we "spring forward" and how daylight saving time works. What time exactly does the time change ...

Howard & Co. tower clock in the old, red Dallas County Courthouse, now known as Old Red Museum ... sprang forward an hour for Daylight Saving Time. How long will it be until we get that hour ...