Earth's oceanic trenches are still shrouded in mystery, and for good reason. Plunging as deep as 11 kilometers (6.8 miles) beneath the surface, their dark, frigid waters are under mind-boggling ...

A previously undisclosed documentary about the Titan submersible disaster is in post-production ... Cameron, who has visited the wreck of the Titanic 33 times and explored the Mariana Trench – the ...