With three hearts, blue blood, and the ability to squeeze through a space the size of their eyeballs, octopuses are said to be like aliens on Earth. The new National Geographic docuseries, "Secrets of ...

Listen to an exclusive podcast episode where Discover Magazine interviews Dr. Katy Croff Bell and Professor Alan Jamieson about the deep sea.

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 ...

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.

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 ...

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 ...