Do you know that humans have only explored 5% of the ocean ... Among the 7 oceans of the world, the Pacific Ocean is the deepest in the world, covering more than one-third of the Earth's surface.

This collision forced the seafloor to plunge downward, forming the deepest part of the ocean Don Walsh and Jacques Piccard were the first two people to reach Challenger Deep in 1960 and ...

We were amazed at this to-scale map we found on Tumblr depicting the Mariana Trench, the deepest part of the world's oceans. The trench is located in the Pacific Ocean near the Philippines.

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?