It will take days for major floodwaters to work their way south through the Mississippi. Flooding will persist through April.

The Mississippi River is a giant river that provides abundant resources. But, how big is it, exactly? This animated map shows the scale of the Mississippi River and its drainage system in perspective.

Trump's call to abolish FEMA as Mississippi sees more frequent, extreme flooding, prompts group to name river the nation's most endangered waterway.

Old Man River, indeed. Still, 70 million years ago the Mississippi was nowhere near as large as it would become. Blum has detailed how the waterway grew as it added tributaries: the Platte ...