Scientists announced Monday that Earth is rotating slightly faster than normal, resulting in what is expected to become the second-shortest day ever recorded since precise atomic timekeeping began.

Earth's rotation is randomly speeding up, and nobody is quite sure why. These speedups, which have occurred several times over the last few years, haven't had any effect on daily life, but they also ...

At its equator, Earth is spinning at about 1,040 mph. But what if it just suddenly stopped? You and everything else could go flying at hundreds of miles per hour, unless you're at the poles. Earth's ...

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 ...

If you're counting down the hours until the weekend, you're in luck. Today (July 22, 2025) marks the second-shortest day ever recorded. Earth will complete its spin 1.34 milliseconds faster than the ...