Planet Earth

Researchers have found evidence that aftershocks may continue for centuries after a major earthquake — though the finding is still open for debate.

LIVE Latest updates on the imminent volcanic eruption in Iceland, which threatens local towns and the famous Blue Lagoon spa resort following a series of earthquakes and the appearance of sinkholes.

Scientists aboard the Falkor (too) research vessel have documented, for the first time, an extinct volcano towering 5,250 feet above the seabed in international waters in the Pacific Ocean.

Almost two weeks after the town of Grindavík was evacuated over fears of a volcanic eruption, the magma dike beneath Iceland still poses a high risk, with earthquakes and ground deformation ongoing.

A new series of experiments has shown that the mysterious "E-prime layer," which surrounds Earth's outer core, is created by water that leaks deep into our planet's interior.

The newly discovered water mass, called the Atlantic Equatorial Water, stretches from Brazil to West Africa.

Magma building beneath Iceland may break through the surface in a volcanic eruption, sending lava flows toward the Blue Lagoon, the Svartsengi geothermal power plant and the town of Grindavík.

Explainer Experts have warned that an underground magma tunnel between a pair of Icelandic towns could erupt at any moment. But what will this eruption look like? And how far-reaching will its effects be?

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.

Four huge deposits from supervolcano eruptions over the last 40,000 years have been discovered at the bottom of the Mediterranean Sea.