Europe has many sizeable countries with expansive topographical features to match. Here are the biggest organized from least to most square mileage.

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

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." ...

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

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

At least 129 people have been killed in “catastrophic” flash flooding across Texas, while several others remain missing.

East Antarctica is the largest ice sheet on Earth. Alone, it holds enough frozen water to raise global sea levels by a ...

An analysis of flood maps shows that several buildings, including those where children were sleeping, were in known hazard zones. A $5 million expansion in 2019 did nothing to alleviate the problem.

A Genoa low-pressure system is moving across Poland, bringing storms and heavy rain. Between Tuesday night and early Wednesday, July 9, firefighters responded to over a thousand incidents.

Texas floods mapped: Here are the affected areas as death toll rises At least 173 people are still missing in Central Texas, with the governor warning that ‘there could be more added to that list’ ...

View the latest weather forecasts, maps, news and alerts on Yahoo Weather. Find local weather forecasts for undefined throughout the world ...