The water may still be cool along the Texas coast, but beachcombers are already finding signs that the ocean has some surprises in store this season. Researchers are ...

The platypus is one of nature’s strangest mammals. This egg-laying animal sweats milk, hunts by sensing electrical signals, carries venomous spurs, and even glows under ultraviolet light. Discover the ...

Word and photos of Vancouver’s mystery orcas reached marine biologist Emma Luck in Alaska. A year earlier, she had been ...

Those bizarre sea creatures that light up like carnival rides are actually ctenophores, which have an ancient brainlike structure.

The chain catshark may look like any other shark in daylight, but under blue light, its skin glows neon green. Here’s a breakdown of this remarkable adaptation.

The Harte Research Institute warns that "blue dragons," a nickname for a species of sea slug, can deliver a painful sting ...

Strolling a familiar beach and stumbling upon a relic from the age of dinosaurs sounds like pure fantasy, yet that is exactly what happened on England’s west coast. A stretch of shoreline below ...

Explore seven jelly creatures found off the Oregon coast, from Velella velella and moon jellies to giant lion’s mane, with graphics showing size, stings and other key facts.

Two ‘doomsday’ fish have gone viral after washing up on a beach in Cabo, Mexico, and the internet has been incredibly ...

Many ocean creatures appear soft and harmless, drifting gently through the water. But some of them carry one of the ocean’s most unusual weapons. Cnidarians — the group that includes jellyfish, corals ...

Advanced 3D reconstructions of the comb jelly’s aboral organ reveal a sensory system far more complex than scientists expected. The organ contains a wide variety of specialized cells and is closely ...