Earth’s Core Cooling Faster Than Thought | San Jose News

San Jose News Today | 2 Min News | The Daily News Now! · Jul 28, 2026 · 1m

Earth’s core might be cooling twice as fast as scientists once thought — and that’s a big deal. This rapid heat loss could weaken or even collapse our planet’s magnetic shield, leaving us exposed to solar flares and cosmic radiation. With the magnetic field powered by heat from radioactive decay and planetary formation, its fate hinges on how quickly the core cools. New models using advanced thermodynamics reveal a startling acceleration in cooling, raising urgent questions about Earth’s long-term habitability and the future of life on our planet. Listen in comfort:Get a discount on a Soli…