For years, a strange and unsettling noise coming from the Mariana Trench, the deepest part of the ocean, puzzled scientists. These mysterious sounds, which resemble whale calls, have now been traced ...

Bartlett: A xenophyophore. Narrator ... But perhaps the most surprising thing you'll discover inside the Mariana Trench is this: Plastic. In 1998, a remotely operated submersible detected a ...

Scientists sampled fish living in the Pacific's Mariana Trench and trenches in the Indian Ocean. . | Credit: Han Xu et al. (2025) Evolution and genetic adaptation of fishes to the deep sea.

And, worst of all, the pressure is so immense that even many species of weathered deep-sea marine life can't live there. So, ...