World timekeepers may have to subtract a second from clocks due to Earth's faster rotation.

Each clock runs to its own time, directed by a complicated assemblage of 3D-printed gears. Mechanical drive is sent to the globe from a power base, which itself carries a mechanical seven-segment ...

Now they have finally succeeded. The world’s first nuclear clock, created in Boulder, Colo., by an international team of scientists, was detailed in a paper published in Nature.

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.

We're nearing a year when a negative leap second could be needed to shave time — an unprecedented step that would have unpredictable effects, a new study says.

Atomic clocks are the most accurate timekeepers we have, losing only seconds across billions of years. But apparently that’s not accurate enough – nuclear clocks could steal their thunder ...

A new KC2026 FIFA World Cup countdown clock is coming to downtown Lee’s Summit ahead of next summer’s matches in Kansas City.