There are a total of three days this summer — July 9, July 22 and Aug. 5 — when the moon will be around its furthest distance ...

Kate Murphy, Reporter Updated Tue, July 22, 2025 at 7:42 AM PDT 3 min read The Earth's rotation will speed up for three days this summer. (photovideostock/Getty Images ...

On June 29, 2022, Earth's angular momentum was so low (and the atmosphere's angular momentum so high) that the planet saw an LOD of -1.59 milliseconds—the shortest day ever recorded.

A new study confirms that Earth's inner core has been rotating more slowly than usual since 2010. This mysterious "backtracking" could also end up slightly altering the planet's overall rotation ...

Early in the planet's history, Earth's rotation may have even been shorter than 10 hours, Konstantin Batygin, a professor of planetary science at Caltech, told Live Science in an email. This ...