This is an illustration of ancient Earth's magnetic field compared to the modern magnetic field courtesy of Peter Driscoll. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of ...

By using archaeomagnetic dating, a method that examines the Earth’s ancient magnetic field recorded in archaeological materials, researchers have provided strong evidence confirming the accuracy ...

Primarily, the compass was used for geomancy for a long time before it was used for navigation Ancient Chinese alchemists realized that the magnetite ore would point towards a magnetic north. Their ...

A 3.7-billion-year-old record of our planet's ancient magnetism has been unearthed, providing evidence that Earth's magnetic field already existed very early in history. This discovery ...

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. The compelling 2021 study tells ...