Imagine if the Earth beneath our feet was not the solid, unchanging rock we thought it was. A recent groundbreaking study has ...

Think Earth is just a static rock? Dive deep, and you'll find a dynamic world where metals leak, water seeps, and its insides ...

generated by our planet's rotation and its iron-nickel core. This teardrop-shaped field shields Earth from high-energy particles launched at us from the sun and elsewhere in the cosmos.