Rare footage captures the giant phantom jellyfish off the coast of Argentina, one of the least-seen deep-sea creatures, ...

A deep-sea predator equipped with tubular, light-amplifying eyes and a highly specialized jaw system is capturing scientists' attention for its extraordinary ability to thrive in pitch-black waters.

The ocean is full of weird and wonderful creatures, and scientists have only scratched the surface of what lurks beneath the waves. But some of the sea life they have discovered are downright ...

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 ...