It's long been a staple on seafood menus and in frozen fish fillets at the grocery store. But dig a little deeper and orange roughy (also known as deep sea perch) is actually one of the most ...

Mesopelagic fish, long overlooked in ocean chemistry, are now proven to excrete carbonate minerals much like their shallow-water counterparts—despite living in dark, high-pressure depths. Using the ...

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 ...

Beneath the waves, the hunt for massive ocean fish pushes skill and nerve to the limit. Each dive is a tense showdown with powerful giants of the deep. Mike Johnson gives update on Jan. 6 plaque US ...