A map shows the ozone hole above Antarctica in September, when it was the size of North America. The ozone protects ... as a result of huge volumes of water vapor that poured into the stratosphere.

North America is dripping—with sizable blobs of ... volatile compounds that are weakening the base of the crust. A map of the North American craton—outlined in black—as revealed by seismic ...

The glacier, in Wrangell-St. Elias National Park on the state's southeastern coast, covers around 1,680 square miles (4,350 square kilometers), making it North ... red hues show water; and the ...

Riverbeds that used to be covered in ample water are now dehydrated by drought. Bodies of water all over North America are drying up as a result of drought and a decrease in precipitation, experts ...