What to know about Greenland, the big frozen island Trump wants to control
The island briefly fell under the protection of the United States, which was interested in its critical weather stations, after Germany occupied Denmark during World War II. President Harry Truman ...
World's sea ice cover hits record low in February
Global sea ice cover fell to a historic low in February when the world continued to experience exceptional heat and temperatures reached 11 degrees Celsius above average near the North ...