The depth of the Mariana Trench, the deepest part of the world’s oceans, is approximately 10,994 meters (36,070 feet). Located in the western Pacific Ocean, the trench represents one of the most extreme environments on Earth. The trench's exact depth can vary due to geological activity and changing oceanic conditions. The Challenger Deep, the trench's deepest section, has been explored by various submersibles, revealing unique marine life and geological features. The extreme pressure and darkness of the trench make it a fascinating subject for scientific research, providing insights into lifeforms that can survive in such harsh conditions.