The Doomsday Clock is a metaphor for how close the world is to being inhabitable for humanity. Scientists just set the new ...

The Doomsday Clock, a symbolic measure of humanity's proximity to catastrophic destruction, has been set at 89 seconds to ...

Researchers have identified a second dopamine-driven "clock" in the brain that works alongside the biological 24-hour cycle, ...

Whether you prefer to set several alarms as an insurance measure, or want to share a clock with someone who wakes up at a different time than you, a clock with the ability to set multiple alarms ...

daylight saving time came to an end Nov. 3, with clocks "falling back" an hour. In 2025, it's set to resume in the U.S. on Mar. 9, when clocks move one hour ahead (and people, for that matter ...