The open ocean has always made room for imagination. For centuries, sailors swore they saw monsters bigger than ships, smarter than people, and hungry enough to pull a crew straight off the deck. No ...

Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

Photojournalist Brian Skerry has taken photos for National Geographic for the past 14 years and counting. His photographs are the focus of a new exhibit scheduled for early next year at the ...

Q. I enjoy learning about bizarre animals like the terrestrial one you recently wrote about called a hammerhead worm. With all the strange animals found on land, the oceans must be full of even more ...

Clay weighs down carbon and other materials, helping it sink deeper into the ocean. Video courtesy of Dartmouth College. In 2016, Dartmouth professor Mukul Sharma was thinking that bringing down ...

A recent video shows a massive bluntnose sixgill shark emerging from the deep sea. This ancient species, predating dinosaurs, ...

Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet below the surface. Underwater robots give researchers a glimpse at some of ...

What lies beneath the waves is among the planet’s biggest mysteries. About half of Earth’s surface remains unknown and unexplored. That’s because humans have mapped only a quarter of the seafloor, ...