Echinoderms may look simple, but this enormous group of roughly 7,000 marine species has developed some remarkably strange ways to survive. Sea stars can walk using hundreds of water-filled tube feet ...

Imagine you are on some distant beach centuries ago and something huge emerges from the depths of the ocean. It has a longer body than most boats, lined with dozens of razor sharp teeth and eyes ...

Add Yahoo as a preferred source to see more of our stories on Google. What are these strange creatures washing up on Texas beaches, and why are they dying? Here's what the experts have to say.

Add Yahoo as a preferred source to see more of our stories on Google. The animal in the video is a predatory sea slug called Melibe viridis, a type of nudibranch found in Indonesian waters. To feed, ...

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JUNEAU, Alaska (AP) – Strange sea creatures that resemble large pink thimbles are showing up on the coast of southeast Alaska for the first time after making their way north along the West Coast for ...

Blue jellyfish-like sea creatures are once again washing up along the Northern California coast, drawing crowds and curiosity at local beaches. Thousands of the creatures, known as velella velella and ...

The animal in the video is a predatory sea slug called Melibe viridis, a type of nudibranch found in Indonesian waters. To feed, it uses a large, expandable oral hood like a net to capture small ...