A strange shift in Earth's rotation is making our days milliseconds shorter — and scientists are racing to understand why.

Earth will complete its daily rotation between 1.25 and 1.51 milliseconds faster than usual, and scientists aren't quite sure why.

Dubai: Scientists have confirmed that today, Tuesday, is one of the shortest days ever recorded in Earth's history, shortened by 1.25 milliseconds from the standard 24-hour cycle. The unprecedented acceleration in Earth’s rotation,