The ocean is a place of wonder, but it also hides some of the world’s deadliest creatures. From venomous predators to apex hunters, these animals pose a serious threat to anyone who crosses ...

7 sea creatures we can’t believe are real. From mysterious colossal squid to the ferocious pram bug, these creatures are stranger than fiction.

For centuries, humans have struggled to study the vast, deep, and often inaccessible regions of the ocean. Traditional research vessels and satellites provide valuable data, but they have ...

This previously unknown symbiotic relationship helps keep methane—a major greenhouse gas—trapped in the ocean.

Many animals, including whales, also rely on krill and plankton as a food source. Ocean acidification would affect them too. Blue whales, the largest animal on Earth, have grown so because they are ...

14 ocean animals have gone extinct in the last 100 years, and 72 are on the verge of extinction. An international deal was reached Saturday to protect marine wildlife, after decades of talk.

The ocean feels infinite. If you were to start swimming from shore, it’s easy to believe—fitness and oxygen aside—that you could continue forever. That’s a much different experience from ...

Under a Hellish Ocean Habitat, Bizarre Animals Are Lurking For the first time, scientists observed tubeworms and other complex ocean creatures dwelling beneath hydrothermal vents. Share full article ...

Learn about ocean animals. Learning about what ocean animals you might encounter – and when – can help keep both people and animals safe. Some animals are present year-round.