The middle-range shifts that unfold over several decades have been harder to explain.

Scientists may have solved why the length of Earth’s day changes by a few milliseconds over decades. Subtle shifts in the ...

Add Yahoo as a preferred source to see more of our stories on Google. Earth's rotation is slowing down, and it could be why we have oxygen for life Ever since its formation around 4.5 billion years ...

Earth's rotation experiences slight variations in day length due to interactions within its inner core and mantle.

This Wednesday (July 9) might feel short and cramped as the Moon would be affecting the speed of our planet’s rotation. Typically, Earth took around 24 hours, or 86,400 seconds, to complete one ...

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 ...

A few days ago, there was news that "the abolition of the leap second will be officially decided in October 2026."The details ...

A battle of forces, driven by the motion of Earth’s core, can explain small variations in the planet’s rotation, study finds.

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 ...

You’re unlikely to miss the 1.25 milliseconds that will make Aug. 5 one of the shortest days ever. Earth’s rotation is randomly speeding up, and nobody is quite sure why. These speedups, which have ...

Ever since its formation around 4.5 billion years ago, Earth's rotation has been gradually slowing down, and its days have gotten progressively longer as a result. While Earth's slowdown is not ...