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 ...

Add Yahoo as a preferred source to see more of our stories on Google. July 9 will be one of the shortest days ever, as Earth is spinning faster and scientists are still working to understand why.

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 ...

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.

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 ...

On those three days, just over a millisecond is expected to be shaved off the standard 24-hour day. Of course, you're unlikely to notice such a miniscule difference in your day. But scientists who ...

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 ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

It has come to our attention that a handful of people out there are a little puzzled about why flying against Earth’s ...

When we talk about feats of engineering, very few megastructures on Earth rival the sheer scale of China's Three Gorges Dam. It's located in Hubei province, spanning the mighty Yangtze River, and it's ...

Our ancient ancestors divided their lives into days, following the natural rhythm of the rising and setting Sun. This system worked well for millennia but by the 20th century, scientists made a big ...

July 9 will be one of the shortest days ever, as Earth is spinning faster and scientists are still working to understand why. According to the International Earth Rotation and Reference Systems ...