Greenland is the world’s largest island, located in the North Atlantic Ocean, to the northeast of Canada. It is an autonomous territory of Denmark. Despite its name, much of Greenland is covered by a vast ice sheet, making it extremely ...

Clouds visible over oceans are formed when warm, moist air rises from the ocean’s surface and cools as it reaches higher altitudes. The moisture in the air condenses into tiny water droplets, forming clouds. These clouds are important in the ...

Coral reefs are large underwater structures made up of tiny, living organisms called corals. These reefs are formed by the skeletons of corals, which build up over thousands of years. Coral reefs are found in warm, shallow waters of the ...

Humans have used oceans for various purposes throughout history. Oceans are important for transportation, as they serve as routes for ships and boats carrying goods and people across the world. They also provide food through fishing, which supports the global ...

The 2004 Indian Ocean tsunami occurred on December 26, 2004, after a massive underwater earthquake with a magnitude of 9.1 near the coast of Sumatra, Indonesia. The earthquake triggered huge tsunami waves that struck the coastal regions of several countries ...