Eunice siphoninsidiator, or the tube ambushing marine bristle worm, was discovered within the structure of glass sponges by a ...

While operating the deep-sea robot nearly 7,000 feet below the surface, the machine’s camera captured a creature that appeared to be “all legs” walking across the seafloor, according to a March 18 ...

In the cold, lightless Pacific Ocean deep, the seabed is scattered with metal-rich rocks coveted by miners—and huge numbers ...