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.

In many parts of the world, people are enjoying long summer days. But few know that the Earth is spinning faster than usual. This faster spin has made some recent days the shortest since modern clocks ...

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 ...

Earth just recorded one of its shortest days on record on Wednesday, and scientists say its accelerating rotation is expected to shorten two more days this summer. On July 22 and August 5, Earth's ...

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 ...