Rivers are not fixed in place but rather tend to shift across the landscape. As they travel, they sow the seeds for diverse and productive ecosystems—forests, wetlands and floodplains—to emerge and ...

From the smallest creak to the mightiest waterways, rivers have shaped the natural world and the course of human civilization. But a river’s only consistent attribute is change, and it’s precisely ...

Which is, of course, what the rivers are — straight and uniform — after a century of engineering. Milltown Dam has blocked both courses since 1908, widening and slowing the channels. Construction of ...

From orbit, Earth’s rivers look less like tranquil blue ribbons and more like power tools carving into a living planet. New satellite missions are capturing those forces in astonishing detail, ...

A siege of sorts is under way in Missoula County. It's growth, pure and simple, spreading into nearly every corner. Because growth is often drawn to beauty, much of the new development tends to follow ...