Researchers exploring the wares of fishers in Vietnam discovered a “supergiant” sea bug species whose resemblance to Darth Vader inspired its name.

Elephant seals are the largest animals in North America. They spend most of their lives in the open sea and are a top predator in the Pacific Ocean, where they live and can survive depths of up to ...

This thrilling deep-sea fish was voted the world's ugliest animal by the Ugly Animal Preservation ... or 'Big Red', one of the largest jellyfish in the world. The fangtooth has teeth to spare ...

Weighing up to 700 pounds green turtles are among the largest sea turtles in the world. Their proportionally small head, which is nonretractable, extends from a heart-shaped carapace that measures ...