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

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 ...

Sunrise alarm clocks may have different features but all work in a similar way: a light fixture in the device turns on and slowly begins brightening over the course of an interval of time until ...