The planet’s rotation fluctuates as it travels around the sun, and measurements suggest we’re losing more than a millisecond ...

July 9, 2025, saw the Earth spin through one of its shortest days on record a fleeting, nanosecond instant that passed ...

Earth is set to experience one of its shortest days ever recorded as the planet's rotation continues its unexpected ...

July 9 was unusually short thanks to changes in how fast the Earth is spinning. But two other days this summer are expected ...

While it’s unlikely anyone would notice a missing millisecond, there’s potential this speed-up could have ramifications for ...