Magnets & Magnetism


Magnets & Magnetism

Learn about the electromagnetic field of the Earth and what it means to us in this Backgrounder.

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Two of NASA's Voyageur probes find some foamy magnetic bubbles near the end of the sun rays. Turns out they protect us from cosmic rays. Learn more.

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Solar storms are known mainly for their beautiful effect on Arctic skies, but there is more to them than a beautiful sky. Find out now!

Learn More about Sciencecasts: The surprising power of a solar storm

Something big is happening on the sun. NASA reports that the sun's global magnetic field is about to flip, a sign that Solar Max has arrived.

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The sun has two planets in its Goldilocks zone: the Earth and Mars. The crucial difference: a magnetic field that protects us from the sun’s radiation and makes liquid water - and life - possible on Earth.

Learn More about Why Earth's magnetic shield matters