Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help ...

Yet much about the landscape under the ice has been uncertain, because ground and air surveys are difficult in the region.

"It's getting ready to erupt"—one of America's most active volcanoes has the country on edge. It is called the Axial Seamount ...

A new video from Japan’s maritime authorities captures an underwater volcano bursting through the sea surface in a violent ...

First responders conducted a full-scale active shooter drill at the University of Tennessee's Rock Top Dining Hall, ensuring ...

Hawaii Volcanoes National Park's Kilauea volcano erupted for the first time this year, drawing hordes of crowds. Here's what ...

PHILIPPINES () – The U.S. National Park Service protects 63 national parks and over 400 sites across the United States and its ...

After pulling my kayak ashore, I walked along the empty beach for an hour, collecting shells and fragments of red coral. I ...

A study has cast doubt on the idea that Jupiter's moon Europa, where NASA has sent a spacecraft, could have conditions to ...

Europa’s buried ocean has made it one of the most exciting places to search for life beyond Earth. However, new calculations suggest its seafloor may be calm, cold, and largely inactive, with little ...

Shaking caused by quakes may cause ocean floor vents to release more nutrients, triggering blooms in plant-like organisms ...

Beneath the surface of the world’s deepest lake, scientists have uncovered strange geological structures unlike anything seen ...