Every second, the Earth spins at an incredible speed, completing a full rotation in just 24 hours. While this may seem ...

Earth's day used to be five hours shorter, and it's predicted to continue lengthening over time. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The answer, obviously, is really, really fast. Here, Universe Today‘s Fraser Cain tells us exactly how fast, and gives us answers to a few other things you may have wondered about before. For instance ...

Earth’s Rotation Day 2026, observed on January 8, highlights how Earth’s constant rotation shapes day and night, climate, ...

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 ...