Brazil's Lula squares up to Trump, measles cases hit a 33-year high, and more Length: Long Speed: 1.0x If you’re the kind of person who gets a lot done, you’re grateful for every one of the 86,400 ...

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 ...

Over the last couple of years, time has felt more nebulous than ever. You'd be forgiven for thinking that days are passing by at an increasingly faster clip. According to scientists, that perspective ...

Meltwater from the polar ice caps, combined with the shifting spin of Earth's core, is messing with the Earth's rotation to the point that we might need to adjust for a "negative leap second." The ...

The speed of Earth's rotation is about 1,000 miles per hour relative to its axis. Your exact speed of rotation due to Earth's spin depends on your latitude. The farther you are from the equator, the ...