The Doomsday Clock, a symbolic measure of humanity's proximity to catastrophic destruction, has been set at 89 seconds to midnight—the closest it has ever been, symbolizing humanity's shortest margin ...

Officials have updated the doomsday clock and it has been moved closer to midnight - meaning the risk of humanity creating a ...

Every October, there's a week when Europe and the U.S. are out of sync with daylight saving time, potentially confusing people organizing international meetings.

Clocks will "fall back" one hour at 2 a.m. on Nov. 2, the first Sunday in November, granting most people an extra hour of sleep. With the change comes earlier sunrises and nightfall well before 7 p.m.

WASHINGTON, April 10 (Reuters) - U.S. lawmakers held their first hearing Thursday in more than three years on a long-running debate to end the practice of switching clocks twice a year. The Senate ...