Giant isopods are another bizarre discovery and strange sea-floor creature. There are almost 20 species of isopods found in the Atlantic, Pacific, and Indian Oceans but the giant isopod is the ...

Two underwater sea lilies were eaten and regurgitated around 66 million years ago. They were preserved as fossilized vomit.

Scientists from Scripps Institution of Oceanography descended thousands of meters where they likely discovered dozens of new animal species. Creatures flourish where methane gas seeps into the ocean ...

When hundreds of eerily perfect circles were discovered on the bottom of the Mediterranean Sea, theories abounded about what they could mean. Four years of underwater research revealed a lost world.

But these unusual animals have yet to be the focus of extensive studies ... These make the animal more stable on the ocean floor. But are you a deep-sea enthusiast? Explore the inky depths in our ...

Why it's awesome: Earth's oceans are home to many secretive and unusual creatures that humans rarely see — including giant phantom jellies. These elusive deep-sea creatures have a 3.3-foot-wide ...

They feed on snails, worms, and other creatures they hoover up from the ocean floor. They are “cirrate” octopuses, a group of deep-sea octopuses that have slender protrusions trailing from ...

With a call as loud as a large ship, fin whales (Balaenoptera physalus) are among the noisiest creatures in the sea. For some seismologists who monitor earthquakes by recording seafloor vibrations, ...

In the quiet cliffs of Stevns, Denmark, a 79-year-old amateur fossil hunter split open a piece of chalk last November and ...

Whale falls can nourish an entire ecosystem of deep-sea creatures, from large scavengers to microscopic bacteria. They provide inhabitants of the mostly deserted ocean floor with a sudden and immense ...