Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

The warty comb jelly, Mnemiopsis leidyi, is a fascinating sea creature with a litany of weird biological traits, including regeneration. They can also de-age themselves physically into their larval ...

A groundbreaking new study has revealed that sea urchins, a fascinating sea creature, have a surprisingly complex nervous system, functioning like a brain spread all over their bodies. These creatures ...

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 ...

Marine animals can be fascinating and quite beautiful. However, you should not approach some of them. Certain fish and jellyfish are highly poisonous, and contact with them can sometimes be fatal.

There are thousands of different species of sea anemones in the ocean with some living as far deep as 32,000 feet. Anemones are marine invertebrates that are closely related to jellyfish. This ...

Sea horses are my favorite animals because they are really cute and fascinating. Sea horses are fascinating to me because male sea horses have the babies, not the mother. I collect sea horse toys that ...

The sea covers roughly 70% of our planet, yet we know surprisingly little about its depths. Vast, mysterious, and often unfathomable, it hides countless shipwrecks, scary creatures, and other secrets ...