Researchers filmed a 10-to-13-foot sleeper shark off the South Shetland Islands, in what may be the first recording of the species that far south.

A rare fish rediscovered in Australia during a scientific dive is drawing attention to the fragile ecosystems of the Great Southern Reef.

Species numbers alone do not fully capture how ecosystems are changing. In a global study, scientists analyzed long-term data from nearly 15,000 marine and freshwater fish communities. They found that ...

What started out as an underwater, late-night adventure for marine biology students became a dive they would never forget ...

Use this map to navigate to this underwater bowling adventure that proves Texas doesn’t need coastline to create oceanic entertainment. So round up your crew, prepare your bowling stance, and discover ...

Massive Underwater Mountain Surpassing the Size of 'Mount Olympus' Found by Oceanographers ...

State Senator Bruce Tarr said the investigation into the sinking has entered its “next phase” and officials hope to provide families “with the kind of information they need to even begin to approach ...

Morgan O’Hanlon: As you’re driving through West Texas and through Balmorhea, this kind of big open desert, you get to the Phantom Springs Cave and it’s this tiny little narrow crevice.

Few living scientists have witnessed as much planetary change as the legendary  Sylvia Earle, who recently turned 90. A former Chief Scientist of NOAA, leader of the first all-female aquanaut team in ...

Michael Patrick O'Neill has captured amazing photos of leatherback turtles, hammerhead sharks, mating seahorses, many living ...

An artificial reef is being added to a Dutch offshore wind farm to provide habitat opportunities for local species that would otherwise be negatively impacted.