Explore the Missouri River: its map, amazing history, why it's called 'Big Muddy,' and key facts about North America's longest river.

Following the removal of four dams from the Klamath River, which flows through California and Oregon, a group of young indigenous people are paddling from source to sea.

After a day of catastrophic floods along the Guadalupe River, Texas officials issued alerts for regions around the San Gabriel River on Saturday ...

This map shows where camps along the Guadalupe River were impacted by the July 4 flood. Meteorologists Pat Cavlin and Kim ...

The Texas Hill Country has been notorious for flash floods caused by the Guadalupe River. Here's why the area is called "Flash Flood Alley." ...

Many camps in the Guadalupe river region are adjacent or are partially inside high-risk flood zones, according to maps from the Federal Emergency Management Agency.

Multiple parts of Central Texas, including Kerr County, were shocked by flash floods Friday when the Guadalupe River and others rose rapidly.

On its banks, volunteers with the Paperhand Puppet Intervention that makes Saxapahaw its home hauled out the 6-foot figures ...

Flooding caused by the overflowing Guadalupe River has prompted widespread evacuations in Kerrville and surrounding areas of Kerr County, Texas.

Explore scenic parks and trails offering access to the San Joaquin River in Fresno-Madera. Enjoy kayaking, fishing, hiking, and picnic spots across the area.

Many of the publicly-owned properties along the San Joaquin River are closed, but there are a number of places where you can legally enjoy the water.

The percentage of people who view the United States favorably has declined compared to one year ago, according to Pew Research.