A new atomic clock is one of the world’s best timekeepers, researchers say — and after years of development, the “fountain”-style clock is now in use helping keep official U.S. time. Known ...

Timekeeping just got a quantum upgrade. A new quantum clock uses wave-like motion to tell precise time with minimal energy loss.

The Doomsday Clock is a metaphor for how close the world is to being inhabitable for humanity. Scientists just set the new time for 2025.

But the Author Clock slows one’s relationship to time. I don’t know yet how I feel about it as a daily timepiece, but I can say for sure, that it is not a clock to take for granted.

The Doomsday Clock is a metaphor for how close the world is to being inhabitable for humanity. Scientists just set the new time for 2025.