Amazon dieback”, as this grim scenario is known, is just one example of what climate scientists refer to as a tipping point: ...

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

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 ...

It won't be noticeable to the average person, but August 5 will be slightly shorter than the typical 24 hours in a day.

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.

Scientists predict that Aug. 5 will be 1.34 milliseconds shorter, according to the International Earth Rotation and Reference ...

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.