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 ...

Those tiny colorful dinosaur toys that grow bigger underwater might hold the key to protecting astronauts as they journey through space.

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 ...

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 ...

The magnetic barrier that protects Earthlings from radiation almost collapsed some 565 million years ago. Here’s what saved it.

One of Earth’s deepest mysteries lies beneath our feet: the planet’s inner core.Made of iron and nickel, the hot, ...