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

On July 19, 2020, Earth set a new milestone by completing its daily rotation 1.47 milliseconds shorter than 86,400 seconds. This wasn’t a one-off event; the trend has continued since then.

On June 29, the Earth’s full rotation took 1.59 milliseconds less than 24 hours — the shortest day ever recorded. Scientists have warned that, if the rotation rate continues to speed up, ...

“It’s not a huge change in the Earth’s rotation that’s going to lead to some catastrophe or ... 27 separate leap seconds were added as Earth slowed. But the rate of slowing was tapering off.

“It’s not a huge change in the Earth’s rotation that’s going to lead to some catastrophe or ... 27 separate leap seconds were added as Earth slowed. But the rate of slowing was tapering off.

WASHINGTON — Earth’s changing spin is threatening to toy with our sense of time, clocks and computerized society in an unprecedented way — but only for a second. For the first time in ...