18 days ago
Earth’s day isn’t exactly 24 hours. The reason may lie deep inside the planet
What's happening
SignalsMonitor is following this as a technology story. ScienceDaily Top News is the outlet attached so far. The first report grouped here was at 29 Sept 2026, 05:08 UTC. The headline in use is “Earth’s day isn’t exactly 24 hours. The reason may lie deep inside the planet”. This note is SignalsMonitor's own briefing, not the publisher's article.
What we know
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.
Story timeline
Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.
- First reported by ScienceDaily Top News
Earth’s day isn’t exactly 24 hours. The reason may lie deep inside the planet
Reported by 1 outlet
- ScienceDaily Top News
- ScienceDaily Top NewsEarth’s day isn’t exactly 24 hours. The reason may lie deep inside the planet