War artifacts are typically weapons and uniforms, but occasionally something so strange shows up, that even historians are at ...

Océan, Mississippi Watershed,” Floc’h, a French photographer, drove 13,000 miles tracking the river system that touches more ...

University of Minnesota researchers say using nature instead of concrete is best for controlling Mississippi River flooding in Minnesota and the upper Midwest.

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

Lava flows, near mile-thick glaciers and ice age floods layered and carved up this landscape.