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.

A group of “rarely seen” Gervais’ beaked whales was recently spotted near Madeira, a Portuguese archipelago, photos show. Screengrab from the Magic Dolphin ecotour agency A mysterious group of ...

The deep sea is home to some of the weirdest creatures on Earth, from ghostly elder fish to carnivorous harp sponges. Sometimes, scientists discover more humble creatures that are so tiny that they go ...

From corn mazes to haunted houses, the spooky season is in full swing. Jack-o-lanterns, ghouls and goblins are around every corner, but the scariest creatures of all might be thousands of feet below ...

The three new species were found in Monterey Bay at depths ranging from 2 to 2.5 miles below the surface, researchers said. Getty / iStock Off the coast of Monterey Bay, California, researchers ...