A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...

Our protective blanket helps shield us from unruly space weather. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Earth's magnetic field — also ...

The magnetic compass is the last unknown sense in migrating animals. For some scientists, the monarch butterfly is leading ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The sun likes to remind us that Earth is merely one part of a joined ...

Earth's magnetic field is weakening and its north pole is shifting faster than previously observed, raising concerns about a potential geomagnetic reversal. Geomagnetic reversals, where the magnetic ...