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Earth’s magnetic field is often described as a steady shield, but the geological record tells a more restless story. Polarity flips, when magnetic north and south swap places, happen several times per ...

Earth’s magnetic shield is shifting in dramatic ways. New data from ESA’s Swarm satellites show that the South Atlantic Anomaly — a vast weak spot in Earth’s magnetic field — has grown by nearly half ...

The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.

Add Yahoo as a preferred source to see more of our stories on Google. Protective force fields exist and you’re already living inside one. About 1,800 miles beneath the ground you’ll reach the border ...

Geophysicists from ETH Zurich and SUSTech, China, have demonstrated the dynamo effect of the Earth’s core in a model in which viscosity has no influence, as is the correct physical regime for the ...

Scientists in the United States have created a small device that produces a tiny electrical signal from Earth’s natural rotation. Although the voltage is extremely small, the experiment shows that ...

Long before life thrived in Earth’s oceans, the planet’s magnetic field became disorganized. Deep within the ancient rocks of Morocco, scientists have recovered one of the clearest records of that ...

How can magnetic fields help determine the habitability of exoplanets? This is what a recent study published in Nature Astronomy hopes to address as a team of researchers from the University of ...