Microbes are alive and well in the deepest ocean

An international research team has announced the first scientific results from one of the most inaccessible places on Earth.

Cameron returns from Earth's deepest point

James Cameron yesterday suceeded in his attempt to dive the seven miles to the bottom of the Mariana Trench - the deepest place on Earth.

James Cameron prepares for world's deepest dive

Hollywood director James Cameron is on the point of attempting a dive to the bottom of the Mariana Trench on the western Pacific - the deepest place on Earth.

Unmanned subs begin record-breaking journey

Over the weekend, four robot vehicles set out to cross the Pacific, on the longest journey ever attempted by an unmanned ocean vehicle.