California is set to experience one of its shortest days on record — and, no, it’s not because summer is winding down in the Northern Hemisphere. The Earth’s full rotation on its axis is gaining speed ...

A strange shift in Earth's rotation is making our days milliseconds shorter — and scientists are racing to understand why. When you purchase through links on our site, we may earn an affiliate ...

Earth's rotation is randomly speeding up, and nobody is quite sure why. These speedups, which have occurred several times over the last few years, haven't had any effect on daily life, but they also ...