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 in 1809 by William Maclure, a Scottish naturalist who ...

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 more people — 8.5 million — than 38 states.

A majority of Americans ⁠oppose ⁠President Donald Trump's moves last ⁠week to raise taxes on imported Canadian goods and his order to ​rename Lake Ontario as "Lake America," a new Reuters/Ipsos poll found.