Melting polar ice is slowing the Earth’s rotation, but not enough to offset an even greater acceleration caused by changes in ...

Just as an ice skater extends arms and slows their movement, the Earth’s added liquid water to our oceans is creating the same effect. Since the year 2000, the the Earth’s rotation has already ...

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

Did you feel that? The planet spun a bit faster last week, by enough to give us our shortest day of the year, so far.

On average, from the point of view of the sun, the Earth completes one full rotation around its axis every 24 hours or 86,400 seconds, give or take a few milliseconds. A millisecond (ms) is 0.001 of a ...

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

Due to the way Earth's rotation is measured, Wednesday, July 9 will technically lose time. Here's why you most likely won't ...

Back in 2023, scientists were already puzzled by the Earth’s accelerating rotation, while some speculated that global warming ...

July 9 will be one of the shortest days ever, as Earth is spinning faster and scientists are still working to understand why.

Discover why Earth’s rotation is accelerating, how lunar gravity and climate changes play a role, and what it means for timekeeping.