It keeps the solar wind away from the top of our atmosphere, preventing it from scrubbing our atmosphere away, and reduces ...

Earth's magnetic field was so weak it almost disappeared. Then, seemingly out of nowhere, complex life emerged.

Earth’s trusty magnetic field has been keeping the planet safe for at least 3.7 billion years. There’s a chance it might have ...

As the time line at right shows, hundreds of times in our planet's history the polarity of the magnetic shield ensheathing the globe has gone from "normal," our current orientation to the north ...

When I learned recently that our planet's magnetic shield is rapidly weakening and may be ready to reverse its polarity, causing compasses to point south, I immediately wondered what that would ...

This weakening of Earth’s magnetic shield brought with it a global intensification of auroras, which became visible even at equatorial latitudes and especially in regions like Europe and North Africa.

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"The solar wind squished Jupiter’s magnetic shield like a giant squash ball," O'Donoghue said. "This created a super-hot region that spans half the planet. Jupiter's diameter is 11 times larger ...

Our planet is surrounded by a magnetic field that acts as a shield. It keeps the solar wind away from the top of our ...