From 1973 to 2020, the shortest day ever recorded was only 1.05 milliseconds shorter than 24 hours, Space.com reads. Since ...

Tuesday, July 22 will be the second-shortest day of the year, as Earth completes a full rotation in less time than usual. The ...

Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of scientists and ...

The rotation of the Earth is accelerating, which is why some days in July and August will be shorter, the scientists ...

The planet’s spin hasn’t always been this way. Scientists say a day used to be just 19 hours long. Back then, tides from the ...

Scientists break down the reasons why days are getting shorter—and the mystery they're still trying to solve about Earth's ...

Until 2020, the shortest day ever recorded was -1.05 ms, which means the Earth completed its rotation in 1.05 milliseconds ...

Since 1972, utc has been adjusted to meet this goal by adding a leap second whenever the discrepancy between the two standards approaches one second. Atomic clocks have enabled the development of ...

Time will stop on Tuesday, but only for a second. The world's timekeepers will be adding a sliver of time—a leap second—to our clocks. Just as leap years keep our calendars lined up with Earth ...

Even if the clocks pass this later test, usurping the caesium clock to create a more precise definition of the second will not be easy. International atomic time — on which coordinated universal ...