Mountains may look timeless, but they are constantly changing. Some continue to rise while others stop growing because ...

In the 45°C heat of the midday April sun, I swing my sledgehammer into the terracotta-varnished lobes of pillow basalt ...

Major clues to the origins of our planet—and life itself—are locked inside some three billion-year-old volcanic rocks from ...

The Earth is four and a half billion years old, so why they started appearing then is unknown, as is the mechanism to make ...

Scientists have uncovered a previously unknown Martian rock containing a mineral never before found on the Red Planet.

Hawaii Island residents may have felt shaking recently from large, deep earthquakes. Deep earthquakes like this have been ...

Volcano Watch” is a weekly column and volcano/earthquake activity update written by U.S. Geological Survey Hawaiian Volcano ...

There are a number of hazards caused by plate tectonics including earthquakes and tsunamis. Earthquakes have both primary effects (such as the destruction of buildings) and secondary effects (such as ...

When people think of volcanoes, they often imagine destructive eruptions, lava flows, and ash clouds. However, in Iceland, ...

Bathymetry of a known caldera, Niuatahi, in the Tongan archipelago. (NOAA Vents Program) Deep beneath the ocean waves, ...

A-list stars Alec Baldwin and Anthony Hopkins teamed up for a tense, character-driven survival thriller in the '90s, and it ...