A deep-sea training and engineering dive off the coast of San Diego provided an opportunity for never-before-seen imagery of the U.S. Navy submarine USS F-1, lost at sea in an accident on December 17, ...

Sleep in fish may look different from humans, but rest is essential for survival. Here’s what experts have to say about fish ...

Just before the hurricane rolled in, something extraordinary emerged from the depths an iridescent, otherworldly fish with colors and patterns unlike anything seen before. Captured on camera in the ...

This sea urchin, found in the deep-sea Clarion Clipperton Zone, is one of many diverse species living at depths of up to 18,000 feet. Spanning 1.7 million square miles of ocean from Hawaii to ...