These spheres from the abyss conceal creatures with startling biology.

The ocean covers more than 70 percent of Earth’s surface, yet we’ve explored less of it than we have the surface of the moon. Down in the deepest, darkest parts of the sea, where sunlight never ...

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 ...

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 ...

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 ...

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 ...

Here on the surface at Averill Park, children play on the vibrant green hills. Books are open. Lunches are enjoyed. But Rachel — an 18-foot-diameter tunneling machine — awaits the signal to resume ...