A mischievous sea cucumber and 56 other newly discovered marine species are making a splash in the South Atlantic Ocean. The ...

The newly named big-nosed lanternshark, Etmopterus bulbosus, is just 21 centimetres long but carries a surprisingly ...

To survive the deep ocean, sea creatures have all kinds of adaptations that give them alien-like appearances, such as huge eyes and needle-like teeth.

You don't need to worry about the critters coming after you, since they're only a fraction of an inch across. They join the ...

Scientists discovered two strange new sea spider species in the Salish Sea, including a hairy-legged, red-eyed species that ...

Animals come in an extraordinary range of body shapes. A starfish looks nothing like an earthworm, a mouse, or a human. Yet even closely related species can appear radically different: corals, ...

More than 5,000 animal species previously unknown to science live in a pristine part of the deep sea. Their home — called the Clarion-Clipperton Zone — sits in the central and eastern Pacific Ocean ...

From sharks that don’t hunt other sea creatures to slugs that can photosynthesize, here are some of the rarest marine animals that may surprise you. Helmet Jellyfish: With a helmet-shaped bell and ...