More than 37 million Americans are under heat advisories across the U.S., according to the National Weather Service. Here's ...

The map is based on a hypothetical strike that targets nuclear silo sites in Montana, North Dakota, and Nebraska.

Many places around the country will experience their first significant heat of the year in the next few days. Here’s why it’s ...

Several major and numerous minor earthquakes have occurred in the midwestern and eastern United States ... but can expect fewer quakes of smaller magnitude. Below is a map showing the risk of damage ...