Exploring Earth's deep interior is a far bigger challenge than exploring the solar system. While we have traveled 25 billion ...

Learn about the continent-sized rocks hidden deep within Earth's mantle that have influenced the magnetic field for millions ...

"A strong magnetic field is very important for life on a planet." ...

Hidden mega-structures deep inside Earth may have been quietly steering our planet’s magnetic field—and rewriting what we ...

Something unusual keeps turning up in marine sediments. These are large crystals of magnetite, formed by biology rather than geology, and preserved fo.

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

While we have sent probes billions of kilometres into interstellar space, humans have barely scratched the surface of our own ...

Add Yahoo as a preferred source to see more of our stories on Google. The Earth's magnetic field deflects particles emitted by the Sun. Mark Garlick/Science Photo Library via Getty Images The Earth’s ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: It used to be thought that there were more volatiles ...

Scientists are mapping the Milky Way galaxy’s invisible magnetic field, revealing how it holds the galaxy together and ...