A fire near the Grand Canyon National Park in Arizona has grown more than 20 times in size in 24 hours as an intensifying ...

Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air because of drifting smoke from Canadian ...

Johnson’s Shut-Ins State Park is located in Middle Brook, Missouri, approximately 100 miles southwest of St. Louis. The park ...

Yellowstone’s geological history is one of the most intensely studied in North America. From a map drawn on a bison pelt by ...