Earth’s prevailing winds are fastest in the northern hemisphere winter, but slowest from June to August, so the summer months ...

Two days this summer have been unusually short, with the shortest expected on Aug. 5, leading global timekeepers to consider adding a negative leap second.

On average, Earth rotates once relative to distant stars, a sidereal day, in about 23 hours, 56 minutes, and 4.1 seconds.

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

The science behind why the Earth will spin just a little bit faster on July 9, July 22, and August 5, this year.

What is the speed of Earth’s rotation? Here’s why we don’t feel a thing, even though Earth spins at 1,000 mph.

On July 9, 2025, scientists at the International Earth Rotation and Reference Systems Service (IERS) reported that the Earth ...

Planet Earth is spinning a little faster today — resulting in one of the shortest days of the year. But the change will be so minuscule you won’t even notice. We’re talking even less time than the ...

The planet has endured massive freshwater losses over the past two decades due to the combined effects of climate change, ...

The Earth is spinning at its fastest rate since records began, and astronomers predict that 5 August will be one of the ...