Researchers studying the deep waters off Costa Rica have described a new kind of ghost shark, one of the strange, ...

Meet the “ghost fish,” a phantom of the abyss. Here’s how we found the first ever proof of its existence just a few years ago. The deep sea is a part of the world that very few humans get the chance ...

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 ...

For more than 60 years, the ginkgo-toothed beaked whale (Mesoplodon ginkgodens) was one of the ocean’s greatest mysteries. Although identified in 1958, our basic understanding of this rare whale was ...

Footage of a rare pointy-nosed blue chimaera swimming of the coasts of Hawaii and California© https://www.youtube.com/watch?v=CV0D6G4CTio This added further mystery ...

A deep-sea anglerfish was recently caught on camera in a rare moment, delighting social media users while scaring others. Condrik Tenerife, a Spanish conservation organization, and marine photographer ...