Stanford Medicine researchers have discovered there are long-term health hazards from changing the clocks twice a year—and ...

Winding clocks an hour back this fall, when daylight saving time ends for the year across much of the U.S., might do more ...

Every spring, Americans dutifully adjust their clocks forward to daylight saving time, and every fall, back to standard ...

The visible patterns produced by the time crystals could be used for data storage and anti-counterfeiting designs.

Is time something that flows — or just an illusion? Exploring space-time as either a fixed “block universe” or a dynamic fabric reveals deeper mysteries about existence, change, and the very nature of ...

Time crystals, a state of matter once thought physically impossible, could soon be on a banknote.

Is DST ending in Pennsylvania? Here's what to know about daylight savings end 2025 time change and when the clocks fall back.

Is DST ending in Pennsylvania? Here's what to know about daylight savings end 2025 time change and when the clocks fall back.