States are part of countries, and countries may be grouped by other areas, like continents, hemispheres, or a political or economic body. The US is also commonly referred to in three distinct ways: as ...

Sometimes called “growing zones” or “gardening zones,” USDA plant hardiness zones refer to areas of a map developed by the ...

According to the report, Helene is now recognized as the deadliest hurricane in the contiguous United States since Hurricane ...

This story appears in the May 2019 issue of National Geographic magazine. Washington’s Mount Rainier boasts the largest collection of glaciers on a single peak in the contiguous United States.