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

A two-week expedition off the coast of Brazil has identified 31 previously unknown deep-sea species, many with forms so unusual they have drawn comparisons to alien life. The effort relied on advanced ...

The ocean’s deepest reaches harbor some of the most alien and terrifying life forms on Earth. Far below where sunlight fades to eternal darkness, creatures have evolved in ways that seem to defy ...

The ocean is still one of the biggest mysteries on Earth, and the deeper you go, the stranger it gets. Far below the surface, where sunlight can’t reach, lives a world full of creatures that look more ...

From the carnivorous death ball sponge to ghostly worms that glow yellow, these recent deep-sea finds prove the ocean is far ...

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

The 2026 Ocean Photographer of the Year highlight the hidden lives of sea creatures navigating a rapidly changing habitat.

Meet the “ghost fish,” a phantom of the abyss. Here’s how we found the first ever proof of its existence just a few years ago. The deep sea is a part of the world that very few humans get the chance ...

One surprise find was a new species of a clear jellyfish-related animal called the Erenna siphonophore. The animal was found about 6,500 feet below the surface of the ocean. The different species of ...

To capture its prey, the Tiburonia granrojo does not use stinging tentacles, as do the majority of jellies; it deploys long fleshy arms. Little else is currently know ...