Planet Earth is spinning a little faster today — resulting in one of the shortest days of the year. But the change will be so minuscule you won’t even notice. We’re talking even less time than the ...

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's rotation is slowing at a rate of 2.3 milliseconds a century, meaning days could eventually last 25 hours — but ...

If you haven’t accomplished as much this summer as you had hoped to, you can blame forces far beyond your control: a few of these dog days, by one measure, are among the shortest you’ve ever lived ...