Challenger Deep

Last month, New Zealander Rob McCallum became the deepest diving Kiwi ever after achieving a preliminary depth of 10,925 metres (35,843 ft) at the bottom of the Challenger Deep in the Mariana Trump… Audio

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