Deep-sea sharks, like the chain catshark, possess a remarkable evolutionary trait: biofluorescence. These creatures absorb blue light and re-emit it as a vibrant green, creating a 'private visual ...

The ocean delivered more than we bargained for. What unexpected twists made this shark fishing trip one for the books?

Octopus mothers slam themselves against rocks and eat their own arms before their eggs hatch. Scientists have discovered what leads to the self-destruction.