From the Arctic to the Southern, the five ocean basins are home to thousands of marine life and millions of square miles of water. The smallest ocean basin on Earth is the Arctic Ocean, which has an ...

including some that flow toward the western sides of the ocean basins. The currents hug the eastern coasts of continents as they head north or south from the equator: These are the western ...

It reaches 100 to 200 miles wide and as deep as three miles as it circles Antarctica from west to east, mixing water from the planet’s largest ocean basins—the Pacific, Indian and Atlantic.