An ancient, methane-spewing volcano has been discovered at the bottom of the Arctic Ocean. The volcano, which lies at the center of a 1,000-foot-wide crater at a depth of 1,300 feet, likely formed as ...

The Borealis Mud Volcano is only the second found in Norwegian waters and releases a continuous stream of methane-rich, muddy liquid from deep below Earth's crust. When you purchase through links on ...