On the ocean floor, many animals rely not on speed, but on defense. Echinoderms include sea stars, sea urchins, and sea cucumbers, all sharing unusual body structures and survival strategies. Some are ...

Glittery sea worms and sea squirts fit for The Lord of the Rings universe might sound like pure fantasy, but they’re very real creatures living in the deep sea. Some of these otherworldly ocean ...

Fossils found in Niger belong to a newly identified Spinosaurus species that had a dramatic skull crest and likely hunted ...

Villagers on a remote island in Papua New Guinea have been warned not to eat fish until scientists can identify the cause of ...

Researchers were on an expedition in Dominica when a pod of enormous sleeping sperm whales appeared in front of them.

The 1,000-day underwater timelapse, recorded on an urban reef in Miami, shows corals bleaching before making a miraculous recovery.