We know next to nothing about 99.999 percent of the seafloor. How one researcher plans to democratize deep-sea exploration.

A tsunami is a series of ocean waves that sends surges of water, sometimes reaching heights of over 100 feet (30.5 meters), ...

National Geographic said it hopes that separately identifying the Southern Ocean will highlight the region's unique conservation needs.

The movement of the plates creates three types of tectonic boundaries: convergent, where plates move into one another; ...

Also known as the Circum-Pacific Belt, the Ring of Fire traces the meeting points of many tectonic plates, including the ...