King's Trough: How a shifting plate boundary and hot mantle material shaped an Atlantic mega-canyon

The King's Trough Complex is a several-hundred-kilometer-long, canyon-like system of trenches on the North Atlantic seafloor.

Submarine mountains and long-distance waves stir the deepest parts of the ocean

When most of us look out at the ocean, we see a mostly flat blue surface stretching to the horizon. It's easy to imagine the ...