Earth is fortunate in having a magnetic field: it protects the planet and its life from harmful cosmic radiation. Other ...

For more than 100 years, scientists have puzzled over whether the Earth’s magnetic field had already been generated stably ...

Since the beginning of Earth's history, tiny particles of rock and metal from space have been hitting our planet. On clear ...

The widespread use of radiofrequency (RF) communication has increased the exposure of organisms to electromagnetic fields, sparking a debate over the potential health effects of weak RF ...

Deep in Chile’s Atacama Desert, scientists studied a green crystal called atacamite—and discovered it can cool itself dramatically when placed in a magnetic field. Unlike a regular fridge ...

The magnetic barrier that protects Earthlings from radiation almost collapsed some 565 million years ago. Here’s what saved it.