Add Yahoo as a preferred source to see more of our stories on Google. Goose-beaked whales (Ziphius cavirostris) hold the record for deepest dive of any marine mammal, and researchers hope that ...

For three years, Pennsylvania-born scuba diver Chris Donnelly prepared for the underwater expedition of a lifetime: a journey to the SS Andrea Doria. The so-called “Mount Everest of Shipwrecks,” it’s ...

In the darkness nearly a mile beneath the ocean’s surface, where the pressure would crush a human and temperatures hover just above freezing, a creature with wings wider than a car glides through the ...

For deep-diving mixed-gas divers, it's far worse. Routinely diving below 130 ft (40 m), the divers are always in pitch darkness, relying on work and helmet lights, and they are tethered to the surface ...

Elite free divers can hold their breath for 10 minutes after years of rigorous, sometimes dangerous training. Northern elephant seals practically live underwater, taking up to 90 minutes between ...

Add Yahoo as a preferred source to see more of our stories on Google. A deep-diving robot has been deployed in the search for the Titan submersible, the US Coast Guard said. The Victor 6000 can go to ...