Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 minutes and 4 seconds with respect to other distant stars. Scientists call this difference crucial to ...

If you've felt like summer days are flying by, you're not wrong—at least not scientifically. Experts have observed that Earth's rotation is speeding up, making some days slightly shorter than the ...

If you have ever heard that Earth will soon start having 25-hour days, it might be right. The idea itself is not wrong. Scientists do expect Earth’s rotation to keep slowing. What often gets lost is ...