Canada is joining a new mission to research Earth's most unexplored frontier: the deep ocean. They'll work in tandem to explore the deep ocean — considered to be anything below 200 metres. Bigger pictureThis photo shows a deep-chimaera, a boneless fish that is a distant relative of today's sharks that lives in the deep ocean. He said exploring the deep ocean is important for many reasons, including ensuring food security and understanding rising sea levels. Oliver Steeds, founder of the England-based Nekton and leader of the mission, said the deep ocean represents the least known part of the planet.

Source: CBC News July 05, 2016 09:56 UTC