Learn how some of Earth’s magnetic field flips last longer than others, weakening our defenses against cosmic radiation.

Around the Balkan Peninsula, the African plate is sinking beneath the European plate. A piece of deeply submerged African crust resurfaced 40 million years ago far away from the sinking zone. How this ...

San Ramon, Calif., has been rattled by dozens of small earthquakes in recent months. Even in a region used to regular shaking, it’s been a lot.

With some luck, specialized equipment, a supervolcano and a narrow hole 30 stories deep, researchers demonstrated that ...

Mumbai is a city that is always changing, with tall buildings and a fast pace. It's easy to forget that it also has a history that goes back much furt.

Scientists have placed two seismometers 8000 feet below the ice cap at the South Pole to measure earthquakes and support tsunami alerts.