Morning Overview on MSN
What is the Sun’s magnetic field, and why does it matter?
The Sun’s magnetic field is invisible to our eyes, but it quietly shapes everything from the shimmering auroras over the ...
Climate Compass on MSN
The hidden dangers of a weakening magnetic field
Our planet's invisible shield is changing in ways that scientists are only beginning to understand. Over the past two hundred years, Earth's magnetic field has weakened by around nine percent on a ...
A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...
In the blink of an eye in geological time, Canada has lost one north pole but gained another, a new and different claim to be ...
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