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

The remains of landscapes thought to have formed when ancient rivers flowed across East Antarctica have been discovered—and ...

The breathtaking "Tree of the Earth" landscape along a section of the Yellow River in Pinglu county of Yuncheng, Shanxi ...

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

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.

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

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

At least 119 people have been killed in “catastrophic” flash flooding across Texas, while several others remain missing.

A geologist's vibrant maps reveal how the Mississippi River has wandered across its valley, making it look like a colorful, ...

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.