The Mariana Trench runs more than 1,500 miles long and ... and they feed on the falling organic material (dead plants, animals, and waste) known as marine snow. At those pressures, the calcium ...

What creatures lurk in the pitch-black oceans of Challenger Deep? The deepest part of the Earth’s oceans is a portion of the ...

In the Mariana Trench, animals have evolved features that you can't find anywhere else on Earth. The trench is a geological feature so massive, so vast and so imposing that it makes Mount Everest look ...

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 ... the largest animal known to Earth. Read next Jump to ...