A rarely seen giant phantom jellyfish — a deep-sea creature with arms that can stretch up to 10 meters long — has been captured on camera off the coast of Argentina, offering scientists a rare glimpse ...

At 830 feet below the waves off the Argentinian coast, deep-sea explorers caught a glimpse of a rare, giant phantom jellyfish drifting silently through the water. Eerie yet fascinating footage shows ...

Field expeditions in marine biology can be unpredictable. Sometimes, they yield little more than old barnacles; other times, they result in stunning ocean footage and the discovery of dozens of ...