Trapped 360 feet under water, four men face a deadly situation. Oxygen is running out, and the extreme cold is creeping in. They struggle to breathe as carbon dioxide builds up in the confined space.

Taking into account that drilling equipment must sometimes span thousands of feet of water before even reaching the ocean floor, slight movements above the water's surface can have drastic effects ...

Researchers who discovered “dark oxygen” on the ocean floor are planning a new project ... they wrote—by splitting water molecules into their hydrogen and oxygen components.

"We took a step back and recognised that the ocean, and particularly beneath the surface of the ocean was one of the last remaining blind spots for humanity," said Sean Wolpert, the president of DEEP.