Dive into the depths of the ocean to discover seven rare deep-sea creatures so strange and elusive, you won't believe they ...

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

The ocean is deep, dark, cold and full of mysteries — and in its deepest regions, animals grow to astonishing sizes. From isopods the size of cats to squids that could square off with a school bus, ...

Its presence could make a minuscule fish downright jelly. Scientists were awestruck after discovering a schoolbus-sized phantom jellyfish off the coast of Argentina, as seen in incredible footage shot ...

This is the moment deep sea explorers captured an incredibly elusive creature on camera – the giant phantom jellyfish. Eerie footage shows the rare animal, which has only been filmed around a dozen ...

During a dive off Argentina, scientists documented a rare jellyfish discovered a little over a century ago and seldom seen since, as well as the fish that keep it company.

A rare deep-sea encounter off Argentina reveals a species seldom seen by humans and a hidden world thriving in darkness.

Scientists spotted a rare jellyfish with huge ribbon-like arms deep in the ocean, where dozens of possible new sea species ...

A recent deep sea exploration off Argentina's coast revealed an incredible video of a giant jellyfish that can grow to be as ...

More than a million giant skate eggs are discovered incubating in the heat of an underwater Pacific Ocean volcano.