The deep sea, a realm of perpetual darkness, crushing pressure, and cold temperatures, is home to some of the most unusual and mysterious creatures on Earth. Recent discoveries have unveiled a host of ...

They look like aliens, but these blue jellyfish-like creatures are very much of this world. They are not dangerous to humans, but experts do have a warning for pet owners.

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 ...

Here’s a sentence you probably didn’t expect to read today: Thousands of strangers on the internet just collectively named a deep-sea creature that lives on sunken wood at the bottom of the ocean, and ...