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 ...

Time is not on your side this summer. The Earth is set to have three remarkably shorter than average days in the coming weeks as the Earth’s rotation unexpectedly accelerates, according to scientists.

A strange shift in Earth's rotation is making our days milliseconds shorter — and scientists are racing to understand why. The days are getting shorter and not just because summer is waning in the ...