A newly described species of ghost shark, Rhinochimaera costaricana, has been identified from deep waters off Costa Rica ...

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

So it’s surprising that this species in the phylum Cnidarians (along with jellyfish, corals, and other sea creatures) ...

These ocean animals were discovered through deep-sea expeditions, genetic work, divers, and remotely operated vehicles.

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, ...

An endangered sea turtle named Lucky washed up in Nova Scotia last year. Scientists are trying to solve the mystery of why she and other turtles are traveling so far north. The Kemp's ridley is the ...

Can you tell a venomous aquatic creature from a non-venomous one? Test your knowledge of some of the world’s most dangerous underwater animals here. Most people, when asked, are able to name a few ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Heatwaves can have a devastating impact on some marine predators such ...

Clownfish clamber around a watery enclosure, a couple of brownbanded bamboo sharks weave between rocks and lines of coral sit ...