Earth’s magnetic field, the invisible barrier that deflects solar radiation and makes surface life possible, is not permanent in its current orientation. Geologic records show that magnetic north and ...

In 250 million years, Earth’s continents may merge into a supercontinent so extreme that most mammals would struggle to survive.

Scientists at Oregon State University warn that Earth is edging toward a dangerous “hothouse” state, and that the window to avoid it is closing fast. Their alarm, echoed by research groups in recent ...