Scientists working with the Schmidt Ocean Institute reveal the first footage of two elusive sea animals: the colossal squid and a type of glass squid.

Love isn’t just roses, chocolates, or long walks on the beach. In the ocean, romance takes on wild forms—tail-holding, ...

But deceased specimens and scattershot footage at the sea surface can only tell you so much. To properly understand the lives of these fascinating animals, scientists needed to spot one swimming ...

Creatures such as these sea urchins serve as deep-sea recyclers that break down bits of dead plants and animals that settle on the seafloor and make nutrients available to other organisms.