This persnickety number determines the strength of magnetic fields. It figures in everything from motors and generators to audio speakers. Oh, and without it we’d live in eternal darkness.

Researchers from Japan have discovered a unique Hall effect resulting from deflection of electrons due to "in-plane ...

These rocks offer evidence that Earth had a strong magnetic field 3.7 billion years ago, but scientists aren't sure where that field could've come from. When you purchase through links on our site, we ...

The Earth’s geomagnetic field, which scientists have been warning about for hundreds of years, isn’t about to suddenly flip over after all, according to a new study. It now looks like the magnetic ...

A recent study published inScience Advances reveals that a temporary collapse of Earth’s magnetic field, known as the Laschamps Excursion, had profound effects on early humans. Drawing from ...

In the last 50 years, a weak spot in the Earth's magnetic field has gotten bigger. This chink in the planet's armor of geomagnetic energy is located above the southern Atlantic Ocean, so scientists ...