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

On July 9, 2025, scientists at the International Earth Rotation and Reference Systems Service (IERS) reported that the Earth completed its rotation approximately 1.3 to 1.6 milliseconds faster than ...

As Earth spins faster than it has in decades, atomic clocks are catching the difference, and shorter days are on the horizon.

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

When the moon is positioned farther from Earth's equator and closer to the poles, its pull on the planet becomes weaker. With ...

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