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

Around 66 million years ago, the reign of the dinosaurs came to a fiery end. An asteroid about 7 miles (12 kilometers) wide, ...

A giant dent in Earth's magnetic field is continuing to expand, according to the latest data from a trio of satellites monitoring our world.

Research shows Jupiter’s strong gravitational pull may have protected Earth by keeping its orbit steady and preventing it ...