Bizarre creatures and shipwrecks were found on the mission to explore new habitats and geology in the Gulf of Mexico.Get the full story in the video below ...

"Let's just say, there's a lot more that these deep slopes are hiding." ...

This is the moment deep sea explorers captured an incredibly elusive creature on camera – the giant phantom jellyfish. Eerie footage shows the rare animal, which has only been filmed around a dozen ...

An underwater "video-acoustic" camera system recorded life on the Arctic seafloor for days, finding elusive marine life.

The Coral City Camera has captured all sorts of ocean animals – including these magical marine mammals.

From dawn services to record-breaking swims, here are our top photo picks for Western Australia in April.

A man dropped several night vision cameras into the Indonesian Ocean – and his findings are a reminder of how much we still ...

The waters off the glittering coastlines of Britain's Caribbean territories have long been a mystery. But now scientists on the first expedition beyond the islands' shallows have discovered an ...

Arctic glacial fjords are hotspots of marine life, yet their seafloor environments remain some of the least explored regions ...

The vast majority of our planet remains a complete mystery, hidden beneath miles of crushing water where sunlight never penetrates. In this eternal darkness, evolution has taken a path so bizarre that ...