And the Arctic Ocean covers 16 square kilometers. Another measure of oceans is how deep they are. The deepest part of the oceans is the Mariana Trench. It runs south of Japan and just east of Guam.

The Black Sea and Mediterranean Seas are both almost entirely landlocked, with the Black Sea connecting to the Aegean ... deepest parts of the ocean, known as the abyssal plain, varies from place ...

For scientists studying the mysteries of the ocean, few places on Earth hold the level of intrigue that the Mariana Trench does. As the deepest point in all the Earth's oceans, this site has ...

To reach the bottom of the trench — the most critical aspect of the entire study — the team used a high-tech manned submarine, the Limiting Factor, a deep-submergence ... other popular places, such as ...

This is only the second manned expedition to the ocean's deepest depths - the first took place in 1960. The earlier descent was made by US Navy Lt Don Walsh and Swiss oceanographer Jacques Piccard.

But it’s the Pacific Ocean that boasts the deepest waters on Planet Earth. About 125 miles east of the Mariana Islands—a U.S. territory north of Guam—lies the deepest place known to man.

In this episode, we travel with marine biologist Alan Jamieson to the second deepest place in our oceans ... a closer look one of the strangest deep sea creatures and its deep sea adaptations.