A new study suggests bonnethead sharks may rely on the Earth's magnetic field to move about the ocean.
The only thing harder to see than a black hole itself is a black hole’s magnetic field.
Scientists are studying the aurora's every move.
New England is full of granite that has locked away a record of how north has evolved over the centuries.
It's completely different from Earth
But they might wobble.
Here are eight surprising things NASA has learned so far.
These jars held more than just supplies
She helped figure out that, during the Jurassic era, Earth’s magnetic field flipped many times.
Helping the Earth combat solar storms
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