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.

Like most deep-sea biologists, I have a large collection of decorated Styrofoam cups. A couple dozen line the bookshelf of my office, each displaying a rainbow of Sharpie colors. Each cup is ...

An entire world lives deep under the ocean’s surface, far from human notice and as bustling as any city. Animals such as tubeworms and clams live crowded around plumes of methane that bubble up ...

Humans tend to associate the ocean with silence. Yet water doesn’t mute sound, but amplifies it. Sound waves travel 4.3 times faster underwater than they do in the air and they retain their energy for ...

From worms with squid-like tentacles to fish with teeth on their tongues, here are some of the most alien-looking creatures in the deep ocean. When you purchase through links on our site, we may earn ...

Sea Otter Awareness Week is celebrated annually from September 21 to September 27 to highlight not only why the keystone marine mammal needs to continue to be protected, but also the threats the ...