The oceans truly contain countless mysteries.

Scientists have found evidence that a 300-million-year-old sea creature previously thought to be the world's oldest octopus is actually a nautilus relative.

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.

The video above takes viewers beneath the waters off Bali, Indonesia, where a truly unusual marine animal glides across the seafloor. At first glance, it looks almost unreal — soft, translucent, and ...

The ocean is full of some incredibly odd creatures. It feels like the further you go down, the stranger and more alien-like they become. With so many interesting creatures, it makes you wonder, what ...

In the depths of Earth's briny waters lurk some truly strange deep-sea creatures Rare and remarkable deep-sea creatures ...

A strange creature from the deep ocean, Ferreiraella populi, was named by internet users and is now a scientifically ...

Far below the ocean’s surface, where sunlight can’t reach, some of the most unusual creatures on Earth thrive in complete ...

We preselected all newsletters you had before unsubscribing.

Some animals are so unusual that they barely look real, and transparent creatures are among the strangest of them all. These ...