Scientists find that deep molten rock can power long-lasting magnetic fields, helping large rocky planets hold onto their ...

Earth’s magnetic field nearly collapsed long ago. What saved it explains why life survived and why the planet remains ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Using 11 years of magnetic field measurements from the ...

Researchers have discovered there was an anomaly in Earth's gravitational field between 2006 and 2008, potentially caused by a mineral shift deep within Earth's mantle. GRACE satellites detected a ...

The South Atlantic Anomaly, a huge weak spot in the geomagnetic field off South America, has expanded and sprouted a lobe in the direction of Africa over the past decade. When you purchase through ...

The curious minds at What If investigate what would happen if Earth’s core suddenly stopped spinning, revealing the catastrophic effects on magnetism, tectonics, and life.

A bullet-speed experiment reveals that the Earth's inner core may be softer and more dynamic than previously thought.

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t pose a threat to life Earth’s magnetic field surrounds the planet, with ...