Explore the darkest corners of the abyss with 18 terrifying creatures found at the bottom of the ocean. These are Earth's ...

Find out what fossils have revealed about ichthyosaurs, which included the biggest marine reptile that ever lived.

In an age of exhausting AI-generated videos and manipulated images purporting to showcase real marine life that have never been seen by human eyes, it's easy to forget that there are actually ...

By snatching chloroplasts from algae, animals called sacoglossans produce their own energy through photosynthesis ...

Although the squid may appear at first glance to have "teeth like a human," in reality the feature consists of "circular, folded lips, of which only the upper and lower portions can be seen." The ...

In the case of some creatures (i.e., sea serpents), sightings and questions of authenticity still remain. Today we know that the animals that inspired such hair-raising tales as the sea serpent, ...

Two rare deep-sea oarfish known as "doomsday fish" washed up on a Cabo San Lucas beach, sparking fears about earthquake ...

Thousands of marine species from microscopic zooplankton to the largest cetaceans rely on sound for survival and many have evolved unique oral and aural adaptations. Understanding them better could ...

A team of MIT geochemists has unearthed new evidence in very old rocks suggesting that some of the first animals on Earth were likely ancestors of the modern sea sponge. In a study appearing today in ...