The Magnetic Shield That Protects Our Climate Earth is surrounded by an immense magnetic field, called the magnetosphere.

Geologists discovered ancient rocks in Greenland that preserve the oldest known traces of Earth’s early magnetic field.

And because it extends into space, the geomagnetic field also protects orbiting spacecraft, including most satellites and the ...

Although the Earth’s magnetic field is reliable enough for navigation and is also essential for blocking harmful solar emissions and for improving radio communications, it’s not a uniform strength ...

The universe is soaked in weak-but-persistent magnetic fields. Despite decades of research, astronomers still aren't exactly sure where these magnetic fields came from. But new research suggests they ...

A powerful geomagnetic solar storm is helping to unveil northern lights across the United States. Here's how auroras become ...

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 ...

What if Earth had Jupiter’s magnetic field strength? Explore how stronger magnetic protection would affect life, technology, ...

The average Hackaday reader likely knows, at least in the academic sense, what a magnetic field looks like. But as the gelatinous orbs in our skull can perceive only a tiny fraction of the EM spectrum ...

Microscopic magnetic fossils found in North Atlantic seafloor sediments may represent components of an internal "GPS system" ...