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

Long-term changes in the planet's spin speed largely stem from Earth's core acting in unpredictable ways, researchers say.

It could mean a "negative" leap second. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Even time did not escape 2020 unscathed. The 28 ...

Earth is spinning faster, making July 9, 2025, one of the shortest day since 1960 by 1.3 to 1.6 milliseconds, primarily due to the Moon's alignment. While imperceptible in daily life, this speedup may ...

Earth's axis — the invisible line around which it spins — is bookended by the north and south poles. The axis tilts, and thus the pole shift, depending on how weight is distributed across ...