For years, a strange and unsettling noise coming from the Mariana Trench, the deepest part of ... to a specific species of whale—ending the mystery that has baffled researchers since the sounds ...

Scientists think they may have finally solved the mystery of unexplained noises coming from the bottom of the Pacific Ocean. The eerie sounds were first heard coming from the Mariana Trench ...

In 2014, scientists first heard a unique sound coming from the waters around the Mariana Trench. Experts weren't sure what it was, but now a team of researchers led by Oregon State University have ...

Following is a transcript of the video. Narrator: The Mariana Trench is the deepest point on Earth. So deep that if you dropped Mount Everest inside, its peak would still be more than a kilometer ...

China live-streamed footage of its new manned submersible parked at the bottom of the Mariana Trench on Friday, part of a historic mission into the deepest underwater valley on the planet.