Our planet may have had a recent change of heart. Earth’s inner core may have temporarily stopped rotating relative to the mantle and surface, researchers report in the January 23 Nature Geoscience.

The Earth's core is slowing down and now spinning in the opposite direction. What does this mean? The rotation of the Earth's core has changed, and scientists are wondering what could be causing it.

Earth’s Rotation Day 2026: We see the sun rise and set every day, journeying from day to night and back again. All this seems so normal that we rarely stop to think about the real reason behind it.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The rotation of the Earth's inner core may be reversing, scientists ...