The first thing to keep in mind is that ocean currents are very thin compared to the diameter of Earth. They’re only about four kilometers (13,000 feet) deep at most, and surface currents can be just ...

Ocean warming is threatening coral reefs globally, with persistent thermal stress events degrading coral reefs worldwide, but a new study has found that corals at or near the equator are affected less ...

We use imaginary lines to help locate where a place is in the world. the Arctic Circle (the North Pole) the Antarctic Circle (the South Pole) the Tropic of Cancer the Tropic of Capricorn and the ...