Mariana Trench
Kathy Sullivan: from outer space to deep under the sea
11 Jul 2020
Astronaut, oceanographer and adventurer Kathy Sullivan recently became the first person ever to have walked in space, and to have travelled to the deepest point of the world's oceans. She's just… Audio, Gallery
Deepest-ever sub dive finds plastic waste
14 May 2019
An American explorer has found plastic waste on the seafloor while breaking the record for the deepest ever dive.
Deepest fish ever
22 Jan 2015
The deepest fish ever (thus far) have been found in the Mariana Trench - Dr Alan Jamieson from the University of Aberdeen, also on the technology that handles the filming at those depths. Audio