With the threat of “negative leap seconds” looming in the distance, official timekeepers are wondering if a leap hour might ...

To align Universal Coordinated Time with the Earth’s rotation, a second occasionally gets added to the year. That may change in 2027 ...

Earth’s changing spin is threatening to toy with our sense of time, clocks and computerized society in an unprecedented way — but only for a second. For the first time in history, world timekeepers ...

Climate change has been blamed for many dramatic effects on our planet and our lives. Now it may even affect the measurement of time. You've probably heard of "leap seconds" — the sliver of time ...

Tick. Tick. Tick. Clang! That was the sound of an intergovernmental conference kicking the leap-second can down the road. Sysadmins will be dealing with the consequences for the next eight years. Just ...

Meltwater from the polar ice caps, combined with the shifting spin of Earth's core, is messing with the Earth's rotation to the point that we might need to adjust for a "negative leap second." The ...

Earth's slower rotation may mean that universal time will have to skip a second for the first time ever, researchers have found. As climate change escalates the melting of ice caps and rising sea ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The rate of Earth’s rotation is affected by climate change, ...

International timekeeping authorities are preparing to vote on a proposal to make the leap second—an extra second that is occasionally added to the year to keep Universal Coordinated Time in tune ...