The elusive deep-sea creature typically lives over 1,000 meters below sea level, but was seen around 250 meters below sea level ...

"They are so curious and playful!" the tourist said, recounting how the marine mammals swam right up to his boat ...

A RARE sea creature has been found by a little boy on a popular UK beach. The adventurous five-year-old stumbled up the ...

"Situated in incredibly deep water." Students thrilled after capturing rare footage of sea creatures: 'We could hear their clicks and whistles' first appeared on The Cool Down.

Its presence could make a minuscule fish downright jelly. Scientists were awestruck after discovering a schoolbus-sized ...

A recent deep-sea expedition along the country's entire length documented the jellyfish, along with a surprising number of other species ...

Scientists have recorded rare footage of a giant phantom jellyfish off Argentina’s coast. The deep-sea creature, with arms as ...

The Texas coastline is seeing a rare and unusual sight: thousands of mysterious sea creatures washing ashore after what experts are calling a “mass die off.” The creatures, commonly known as sea ...

These three fish are freaks, phantoms and mysteries of the deep. Here’s what we’ve learned from the rare glimpses we’ve had of their lives. The deep sea is one of Earth’s final frontiers. Given its ...

Kemp's ridley sea turtles are among the most endangered species of sea turtles in the world. They reside along the east and ...

Along the rocky coast of eastern Italy at night, researchers scanned a tide pool in hopes of seeing something interesting. A “leaf”-like sea creature caught their attention — and for good reason. It ...

It secretes toxins and is a very unusual find ...