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 ...

A former NASA scientist has released an informative animated video that shows how fast Earth is rotating relative to the Sun, the Milky Way galaxy, and the Cosmic Microwave Background. The simple ...

Although the Earth completes one full rotation in 86,400 seconds on average, that spin fluctuates by a millisecond or two every day. Before 2020, the Earth never experienced a day shorter than the ...

For the first time, researchers at ETH Zurich have been able to fully explain the various causes of long-term polar motion in the most comprehensive modeling to date, using AI methods. Their model and ...

Melting ice redistributes mass to Earth's equator, slowing its spin rate. Changes in Earth's spin affect its synchronization with atomic clocks. Sebnem Coskun / Anadolu via Getty Images From time to ...

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 ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. In elementary school science class, we learned that the Earth has ...

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 ...

How many times does the Earth rotate in one year? The answer seems intuitive... There are 365 days in a year, plus one day added every four years during a leap year. So that comes to 365.25 rotations!