The Earth is always in motion. It spins and it orbits nonstop. While this may feel static, our planet has been subtly changing tempo over billions of years. What was once a fast-spinning world with ...

Earth completed its rotation 1.33 milliseconds earlier than usual on Tuesday, August 5, 2025, making it one of the shortest days of the year at 86,399.99867 seconds long. While this fraction of a ...

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 ...

Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of scientists and timekeepers. July 10 was the shortest day of the year so far, lasting 1.36 ...

Scientists have uncovered a surprising mechanism that may explain how Earth cooled dramatically after the age of dinosaurs.