Ocean explorers mapping the seabed off the coast of Guatemala have discovered a mountain twice as high as the Burj Khalifa, the world's tallest building, hiding deep beneath the waves. The ...

A mountain would seem to be a tough thing to miss, but a new one has been found off the coast of Northern California. The seamount, as underwater mountains are called, was discovered by a seafloor ...

(CNN) — A massive underwater mountain, otherwise known as a seamount, has been discovered on the floor of the Pacific Ocean off the coast of Guatemala. The seamount is most likely a remnant of an ...

The largest of the four seamounts recently discovered by Schmidt Ocean Institute experts is 1.5 miles high and covers about 280 square miles. Schmidt Ocean Institute image A team of scientists ...

The Axial Seamount – located hundreds of miles off the coast of Oregon and nearly 5,000 feet below the Pacific Ocean’s waves – erupted in April 2015, spewing a mile’s worth of lava onto the sea floor.

Deep below the Earth's surface, magma is churning and flowing into the Axial Seamount, an underwater shield volcano about 300 miles off the coast of Oregon. As the volcano grows and tremors increase, ...

Using an underwater robot launched from the research vessel Nautilus, an underwater volcano in American Samoa was explored. Ocean Exploration Trust Off the coast of American Samoa, an active ...