ESA’s Swarm satellite mission has discovered a mysterious magnetic wave that "oscillates every seven years and propagates westward at up to 1500 kilometers (932 mi.) a year." Credit: ESA ...

A new study of decades worth of seismogram data shows that the surface of Earth’s iron and nickel core is more malleable than ...

For a long time, scientists thought the Earth's inner core was a solid ball of metal, sort of like a planet within a planet ...

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 ...

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 perfectly preserved ancient tree fossil offered scientists an unprecedented view into a moment 42,000 years ago when the ...

A new study shows that the inner core changed shape in just a few decades, challenging previous assumptions and revealing ...

A powerful solar storm in May 2024 led to the formation of two radiation belts, altering Earth's space environment.