US adventurer Victor Vescovo has become the first person to visit the deepest points in every ocean. His fifth and ... be total anywhere in the world, but parts of Canada will come close.

It's a new record: American businessman and explorer Victor Vescovo just became the first person to reach the deepest part of the Atlantic Ocean. On Wednesday, Vescovo traveled to the bottom of ...

Ocean depth is divided into zones: littoral, bathyal, abyssal and hadal. The deepest part of the ocean, the hadal zone, is anywhere deeper than six kilometres. What is the average depth of the ocean?