Across history, ancient civilizations crafted prototypes for many of the modern mechanisms that have become integral to ...

Scientists do believe the Moon had a magnetic field billions of years ago that was roughly comparable in strength to Earth’s, generated by a now-extinct molten core dynamo. This ancient field likely ...

A perfectly preserved ancient tree fossil offered scientists an unprecedented view into a moment 42,000 years ago when the Earth’s magnetic field went haywire.

Gyrocompass - A gyrocompass is a more advanced type of compass used in marine navigation. It uses a spinning wheel to provide a stable reference point for navigation, instead of relying on the Earth's ...