Narrator: The Mariana Trench ... organism akin to a giant amoeba. In fact, at about 10 centimeters long, it's one of the largest single-celled organisms on Earth. The trench also has what Bartlett ...

The eerie sounds were first heard coming from the Mariana Trench - which is where the deepest known point on Earth is located - ten years ago. Experts long suspected that an underwater creature ...

The ocean is one of the last frontiers of unexplored mystery on our planet, holding untold secrets deep beneath its surface. In this video, we venture into the deep blue to uncover the truths and ...

In a few days Cameron planned to deploy the craft in a deep seafloor trench off the coast, a shakedown run for the big dive to come in the Mariana ... prawnlike creatures with eerie white shells.