Earth's oceanic trenches are still shrouded in mystery, and for good reason. Plunging as deep as 11 kilometers (6.8 miles) ...

NOAA's viewer shows which cities may be impacted along each coast, with dark blue areas indicating significant projected rises.

The discovery took place in the depths of the Pacific Ocean, within the mysterious Clarion-Clipperton Zone, a vast underwater region ... in the context of deep-sea mining. As industries look ...