Historic rivers played a central role in shaping travel across the United States, long before modern transportation existed. These waterways connected regions, supported exploration, and influenced ...

The Potomac River tops the list as pollution, development, and climate pressures grow.

Salt Creek in Death Valley, California. A new analysis reveals that rivers in arid landscapes are helping to soak up more carbon dioxide than previously thought. “Rivers are one of the most uncertain ...

A Penn State-led research team found that rivers are experiencing heatwaves at higher frequency and intensity than air heatwaves, which could have serious implications for aquatic life — and the lives ...

The rivers etching the terrain are a beloved feature of the rapidly growing region. But last week’s flooding was an agonizing reminder of the dangers they pose. The Guadalupe River in Kerrville, Tex.

KLAMATH, Calif. (AP) — As bright-colored kayaks push through a thick wall of fog, voices and the beats of drums build as kayakers approach a crowd that has formed on the beach. Applause erupts as the ...