Mariana Trench: Deepest ocean 'teems with microbes ... a recent study found this was a widespread problem, even for animals living in the deep. The dive forms part of the Five Deeps expedition ...

Plastic pollution is an ever-pressing concern for the health of our ocean ecosystems and their inhabitants, with estimates of ...

Narrator: The Mariana Trench is the deepest point on Earth ... Now, like lobsters, these animals have hard exoskeletons made of calcium carbonate, which you normally wouldn't find down here ...

We were amazed at this to-scale map we found on Tumblr depicting the Mariana Trench, the deepest part of the world's oceans. The trench is located in the Pacific Ocean near the Philippines.

Likewise, with the deep ocean, Don Walsh went to the bottom of the Mariana Trench and then for several ... Galathea expedition in 1951 trawled animals from more than 10km down.