Diver John Roney shared mesmerizing video footage from his last dive — a close-up of the world's largest lion's mane jellyfish.

Only a scattering of light penetrates the deep water, more than 300 feet beneath the ocean surface off the coast of Guam.

Our observations of life in the deep contain a trove of important information about ocean health, but more importantly, help connect audiences with our deep-sea neighbors and inspire the next ...

As complexity increases, wrecks begin to function like artificial reefs. Nooks and crannies provide refuge for small fish, ...

Coda Octopus Group’s patented 4D sonar tech and strong financials may drive high-margin growth. Read here for an analysis of ...

A stranded octopus gets a helping hand back to the ocean and takes the time to "high five" the rescuer. What really happened?

A deep-sea ecologist writes that the United States’ new rush to allow deep-sea mining raises significant environmental ...

For deep reef divers, descending into the ocean’s mesophotic layer can feel like exploring the moon. Discovering never-before ...

Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater ...

STATEN ISLAND, N.Y. -- St. Peter’s swim and dive team celebrated Senior Day by posting a 76-53 CHSAA victory over St. Joseph ...