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 ...

New maps issued by NASA detail exactly when and where skywatchers across the contiguous U.S. can see the upcoming total lunar ...

In the battle for Congress, redistricting has become all the rage in America. Here’s how other nations handle this issue ...

Back in 1900, the average global life expectancy was just 32 years. Today, it's more than doubled to just over 73 years (with an average six-year increase in life expectancy around the world recorded ...

It’s late October, and just like that, leaves and trees in at least half of the nation have reached their peak fall colors, dazzling onlookers with shades of yellow, orange, red and purple. The ...