A brutal heat wave across the eastern United States trapped millions of people in sweltering air this week with record-high ...

A minor, 3.3-magnitude earthquake struck in Northern California on Monday, according to the United States Geological Survey.

Here are United States Forest Service geographic maps defining the 20 major forest cover types in the United States and where common trees are most often located based on frequency of occurrence.

The United States is home to nine out of the top 10 richest people in the world, according to the Bloomberg Billionaires Index. The world’s richest person, Elon Musk, owner of Tesla, SpaceX and ...