Science & ClimateScienceDaily•1 min read•9/29/2026 (2h ago)

Earth’s day isn’t exactly 24 hours. The reason may lie deep inside the planet

Earth’s day isn’t exactly 24 hours. The reason may lie deep inside the planet
60-Word AI Digest

Scientists may have solved why the length of Earth’s day changes by a few milliseconds over decades. Subtle shifts in the inner core appear to tug on the mantle, revealing a surprisingly dynamic world thousands of kilometers beneath our feet.

Key Takeaways

  • Scientists may have solved why the length of Earth’s day changes by a few milliseconds over decades.
  • Subtle shifts in the inner core appear to tug on the mantle, revealing a surprisingly dynamic world thousands of kilometers beneath our feet.
  • Full details and original dispatch available below.

Scientists may have solved why the length of Earth’s day changes by a few milliseconds over decades. Subtle shifts in the inner core appear to tug on the mantle, revealing a surprisingly dynamic world thousands of kilometers beneath our feet.

Original Publisher Attribution

This summary was curated from ScienceDaily.

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Earth’s day isn’t exactly 24 hours. The reason may lie deep inside the planet — Loop60