Narrator: The Mariana Trench is the deepest point on Earth ... Narrator: But if you put out some food, some of the planet's strangest creatures would emerge from the darkness.

From the beautiful mysteries of bioluminescence to what elusive creatures ... nowhere feels as scary and tantalizing as the Mariana Trench. Home to the deepest place on Earth, Challenger Deep ...

the Mariana Trench, using a variety of research vessels and piloted submersibles. From these habitats, the researchers reconstructed the evolutionary history of six major animal groups across 11 ...