The U.S. population is spread out among 3.8 million square miles across 50 states, yet nearly one-third of Americans live in just three states: California, Texas and New York. New York City alone has ...

The Cooperative National Geologic Map offers a complete and detailed look at the bedrock and fault systems of the continental United States. The first geological map of the United States was published ...

Efforts to redraw U.S. House districts for partisan advantage are spreading to more states ahead of next year's elections. Lawmakers in three states have approved new congressional districts since ...