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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Thanks to a speed-up of Earth's rotation, the length of the astronomical day and the length of the clock day aren't quite matching ...

Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of scientists and timekeepers. July 10 was the shortest day of the year so far, lasting 1.36 ...

It's a complicated situation that involves physics, global power politics, climate change, technology and two types of time It's a complicated situation that involves physics, global power politics, ...

The Earth's rotation is undergoing a subtle but significant shift, potentially necessitating the addition of a "negative leap second" to our clocks in the near future. This unprecedented adjustment, ...

Thanks to a speed-up of Earth's rotation, the length of the astronomical day and the length of the clock day aren't quite matching up. Eventually, international timekeepers may need to subtract a ...

(AP) — 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 ...