These remarkable creatures, of which more than 3,000 have been described, range in size from 1/8 of an inch to almost 2 feet and include some of the most colorful animals in the world.

The vast array of organisms in the deep sea remains a mystery to humans. Now, marine biologists can add one more puzzle to the list. A collection of odd materials was discovered nearly four miles ...

In the depths of Earth's briny waters lurk some truly strange deep-sea creatures Rare and remarkable deep-sea creatures ...