It took 250 years for the Laschamps reversal to take place and it stayed in the unusual orientation for about 440 years. At most, Earth's magnetic field may have remained at 25 percent of its current ...

A new international study using ancient swamp kauri from Northland shows that Earth’s magnetic field flipped 42,000 years ago ...

A 42,000-year-old tree reveals Earth’s last magnetic pole flip, exposing the planet to deadly radiation. Scientists warn a ...

Every few hundred thousand years, Earth’s magnetic poles flip, turning north into south and south into north. These ...

Magnetic field data collected by ESA's Swarm satellites and other sources has been coverted into these frightening sounds. The "audio represents the magnetic field generated by Earth's core and a ...

This week, see what makes loggerhead sea turtles “dance,” track a cosmic “ghost particle,” uncover an ancient basilica, and more.

But never fear — this shape-shifting won’t directly affect life on Earth. Over time, changes to this innermost layer could impact the planet’s magnetic field, which shields our world from ...