The list of 10 most endangered rivers of 2025, according to the nonprofit American Rivers, includes the Mississippi River and the lower Rio Grande.

The push for one Iowa landowner to farm a designated wetland is likely to affect neighbors downstream. And a legal weight hangs over the situation.

The exhibits within the Matt Cosgrove River’s Edge Discovery Center educate people of all ages about Iowa’s water. New features right behind the building help people to get up close and personal with ...

According to the U.S. Department of Agriculture’s census data, Iowa has lost nearly 10,000 farms, marking a 10.1 percent ...

Each day this week, the Des Moines Register will be presenting one of the daily maps for RAGBRAI 2025. Here's today's.

Rich Gradoville visits the streams near his home in Johnston, Iowa, not for fishing or recreating, but to test the nitrate concentration of the flowing water.

January and February were dry months, but March saw above-normal rainfall, which improved some drought conditions in Iowa ...

Highlights: Day 6, the briefest ride of the week, will take riders through Iowa's Driftless Area in northeast Iowa from Cedar ...

A grassfire in southwestern North Dakota's Adams County has scorched 4,000 acres and destroyed several structures.

Each day this week, the Des Moines Register will be presenting one of the daily maps for RAGBRAI 2025. Here's today's. In the ...

Each day this week, the Des Moines Register will be presenting one of the daily maps for RAGBRAI 2025. Here's today's. Themes ...

The Trump administration wants to rewrite the definition for what counts as protected ‘waters of the United States.' The rule ...