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

Gravity — that invisible force that draws objects to the center of the Earth — is not uniform across the planet, data shows.

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

Related: However, according to Time and Date, the recent acceleration in Earth's spin has scientists talking for the first time about a negative leap second.

Earth's core mystery solved: How solid rock flows 3,000 kilometers beneath us Date: June 8, 2025 Source: ETH Zurich Summary: Beneath Earth s surface, nearly 3,000 kilometers down, lies a ...

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 ...