Iceland is known as ‘the land of fire and ice’ for a reason.

Iceland’s volcanic activity is generally tame compared with explosive eruptions along the Pacific’s Ring of Fire. This time, it’s shaking up a town.

A geologist explains where earthquakes are most common and why.

Scientists were not previously certain how the precious stones arrived at the Earth’s surface.

Starting at the surface, you would have to dig nearly 2,000 miles before reaching the Earth’s core. No one could survive that trip – and the 10,000-degree F heat once there would vaporize you anyway.

A scientist who led one of the first projects to map the Hawaiian Islands’ deep volcanic plumbing explains what’s going on under the surface as Mauna Loa erupts.

A scientist who led one of the first projects to map the Hawaiian Islands’ deep volcanic plumbing explains what’s going on under the surface as Mauna Loa erupts.

Why we are predicting the mountains of the far future, and what it can tell us about the world today.

Researchers used decades-old radar data and found that some low-lying areas of Venus' crust are moving and jostling. This evidence is some of the strongest yet of tectonic activity on Venus.

Earth's magnetic field locks information into lava as it cools into rock. Millions of years later, scientists can decipher this magnetic data to build geologic timelines and maps.