If you thought the mass extinction caused by the Chicxulub asteroid impact 65 million years ago was bad, think again. Travel ...

Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment ...

A volcano in eastern Indonesia erupted again on Saturday, sending a giant ash tower nine kilometers (more than five miles) ...

An undersea volcano off the southeastern coast of the Big Island of Hawaii has been rocked by a swarm of more than 70 ...