And space hurricanes occur more often than previously thought. The phenomenon was observed above the North Pole in 2014, when ...

During the early days of our solar system, giant impacts were common occurrences. Earth likely experienced such an impact ...

The current record-holder occurred on July 5, 2024, when the day lasted 1.66 milliseconds shorter than usual, according to ...

On average, Earth rotates once relative to distant stars, a sidereal day, in about 23 hours, 56 minutes, and 4.1 seconds.

Scientists predict that Aug. 5 will be 1.34 milliseconds shorter than a standard day, according to the International Earth Rotation and Reference System Service and the U.S. Naval Observatory, ...

Earth will complete its daily rotation between 1.25 and 1.51 milliseconds faster than usual, and scientists aren't quite sure ...

What is the speed of Earth's rotation? Here's why we don't feel a thing, even though Earth spins at 1,000 mph.

There are a total of three days this summer — July 9, July 22 and Aug. 5 — when the moon will be around its furthest distance ...

Kaplan, G.H. (2005) The IAU Resolutions on Astronomical Reference Systems, Time Scales, and Earth Rotation Models. United States Naval Observatory.

Over the past few billion years, Earth's rotation has been slowing down, which scientists think is largely due to the gradual drift of the moon away from our planet.

As a result, a full rotation usually takes slightly less or slightly more than 86,400 seconds — a discrepancy of just milliseconds that doesn’t have any obvious effect on everyday life.