Earth's rotational speed is always fluctuating, varying by millisecond. However, our planet's rotation speed is decreasing overall. In 2023, the average length of day became longer for the first time ...

Earth is set to mark Wednesday, July 9, as the shortest day ever recorded, with similar short days anticipated on July 22 and August 5, 2025. Scientists attribute this phenomenon to the Moon’s current ...

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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 ...

Scientists said the current rate of day lengthening is around 1.33 milliseconds per century.