Deep in China’s Hubei province, a structure designed to tame nature may also be nudging the planet’s rotation. The Three Gorges Dam, the world’s largest hydroelectric power station, has long ...

Aren’t the summer days supposed to be longer and the winter days shorter? Since when have things gone in reverse for the summertime? Since now, maybe? Starting today? Okay, here’s what’s going on.

Add Yahoo as a preferred source to see more of our stories on Google. Earth spun just a bit faster than usual on July 9 and is expected to do so again on July 22 and Aug. 5, according to the website ...

Earth takes 24 hours to complete a full rotation in a standard day, equal to exactly 86,400 seconds. July 9 was the first of three days in which a millisecond or more could be shaved off the clock on ...

Add Yahoo as a preferred source to see more of our stories on Google. As if it's not already hard enough to find the time to do everything you need to do in a day, now you're about to lose another ...

Earth spun just a bit faster than usual on July 9 and is expected to do so again on July 22 and Aug. 5, according to the website TimeAndDate. Over a millisecond was reportedly shaved off the clock on ...