Scientists working alongside the U.S. Coast Guard have discovered a 1,640-foot-tall (500 meters) structure that looks like an ...

That's after seismometers picked up an increased number of small earthquakes at the volcano and GPS sensors showed it was ...

Scientists aboard the Coast Guard Cutter Healy have discovered a large underwater volcano approximately 1,600 meters beneath ...

The discovery came as scientists from different organizations were aboard the Healy, one of two polar-class Coast Guard ...

"Glacier velocity could be a valuable new technique for monitoring volcanic activity," researcher Joseph Mallalieu said.

People visit Yellowstone National Park every year to observe its wildlife and vast array of hydrothermal features. One ...

(CNN) – Scientists have discovered an underwater volcano-like feature during Coast Guard-assisted operations off of Alaska.

Around 50 homes were evacuated, along with guests at the famous Blue Lagoon resort, according to the national broadcaster.

The recent trip was part of a larger project called the Alaskan Arctic Coast Port Access Route Study, which was enacted to ...