Physicists have struggled to understand the nature of time since the field began. But a new theoretical study suggests time could be an illusion woven at the quantum level. When you purchase through ...

The end of daylight saving time will be here before you know it, meaning the majority of Americans will gain an extra hour of sleep in a few months as the clocks fall back. Daylight saving time began ...

As 2024's daylight saving time ends and clocks fall back, most of the U.S. will change the time on clocks — but there are two states and several territories that do not observe daylight saving time.

Twice a year, every year, the ritual returns as literal clockwork: the start and end of daylight saving time. Millions of Americans, with grunts or glee, tap at their devices or wind their watch hands ...

Daylight saving time began this year in the early hours of Sunday, March 10, 2024, giving us longer, sunnier evenings until Nov. 3. Here's what to know about how the time change works. How does ...