Add Yahoo as a preferred source to see more of our stories on Google. Earth is spinning faster this summer, leading astronomers to notice that some days have clocked in at slightly less than the ...

Something unusual is happening to our planet, and scientists are racing to understand why. For billions of years, Earth’s rotation has been gradually slowing down, mainly due to the Moon’s ...

Earth’s rotation is speeding up. This summer, our planet will spin faster than usual, creating the shortest day since records began. Though we cannot sense these changes, they show the forces that ...

Earth isn't a clock, and the actual length of a day can vary slightly. Scientists now say that the days have started trending shorter because the Earth is spinning faster, which could require ...

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 ...

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 ...