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

Long-term satellite measurements show that Earth’s magnetic field is changing faster and more unevenly than expected, driven ...

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 ...

Magnetic fields play an important—if sometimes underappreciated—part in planetary systems. Without a strong magnetic field, planets can end up as a barren wasteland like Mars, or they could indirectly ...

See you on the flip side. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A reversal in Earth's magnetic field thousands of years ago plunged the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Using 11 years of magnetic field measurements from the ...

The Sun's magnetic field impacts the movement of plasma on the sun's surface, but it does not actually impact the amount of ...

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 ...

When the sun reaches its period of peak activity, known as solar maximum, our star's magentic field will suddenly reverse. But why does it happen, and will it impact Earth? When you purchase through ...