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 ...

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." ...

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.

In the north a 50,000-strong Russian force is attacking Sumy, a provincial capital. Our model is detecting artillery fire and ...

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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.

Mr Putin’s war against Ukraine inadvertently led to an end to the hitherto intractable conflict between Azerbaijan and ...

At least 120 people, including more than two dozen children, died in the torrential downpour. Many remain missing in the hardest-hit county.