Learn how forces deep underground generate a protective bubble between us and space.

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

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 ...

Earth's magnetic field dramatically flipped a little more than 40,000 years ago. We can now experience this epic upheaval, ...

That’s quite a big gap, as it turns out. It covers fields from gigantic bodies like the Sun and Earth, as well as those ...

Earth's magnetic field occasionally bursts into song — but these compositions are written with electromagnetic radiation, not ...

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

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

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

Sea turtles navigate using Earth's magnetic field like a GPS. Scientists found they learn and remember magnetic locations.

A new study out this week said that the Earth's inner core is less solid than previously thought. Scientists still have ...

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 ...