Mount Rainier experienced a significant earthquake swarm, the largest since 2009, with hundreds of small quakes detected near ...

The structure may be spewing gas, based on data collected from the water above it, but the scientists still aren't certain. Whether the structure turns out to be a volcano or not, it is 5,250 feet ...

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

The structure may be spewing gas, based on data collected from the water above it, but the scientists still aren't certain. Whether the structure turns out to be a volcano or not, it is 5,250 feet ...

Then, they found a new volcano-like formation deep in the ocean waters. The new volcano-like structure sits more than 1,600 meters from the water's surface. So, it's far too deep to pose a danger ...

Scientists aboard a U.S. Coast Guard icebreaker have discovered something unusual in the Arctic Ocean off northern Alaska: a volcano-like structure rising more than 500 meters from the seafloor ...

The new volcano-like structure sits more than 1,600 meters from the water's surface. So, it's far too deep to pose a danger to those on land. However, ...

Scientists aboard a U.S. Coast Guard icebreaker have discovered something unusual in the Arctic Ocean off northern Alaska: a volcano-like structure rising more than 500 meters from the seafloor ...