The ocean is home to some of the most awe-inspiring creatures on Earth, many of which dwarf anything found on land. From massive whales to elusive deep-sea dwellers, these giants of the sea ...

Due to its vast size — stretching from Canada and Greenland in the north, to Mexico in the south — North America contains a ...

Thousands of meters below the ocean's surface lurk some gigantic creatures, much larger than their shallow-water brethren. Scientists have a few hunches for why this happens, but the debate continues.

Utah’s Hogle Zoo announced on Friday the death of Diego, a California sea lion who made history as the biggest animal to get ...

A Chinese submersible has discovered thousands of worms and mollusks nearly 10 kilometers (six miles) below sea level in the Mariana Trench, the deepest colony of creatures ever observed, a study ...