Drought and other conditions have interrupted the flow of water owed to the U.S. under a treaty.

Hummingbirds are making their journey from Central America to the U.S. now. Here's how you can increase your chances of ...

President Trump has threatened to slap new tariffs on Mexico for failing to deliver water under a decades-old treaty. But ...

Today, the Marengo River represents a new kind of solution. Following the record floods, state leaders invested in opening up ...

What are “Waters of the United States?” For one, the term differentiates what is and isn’t given federal protections as part ...

Salt River Project manages 13,000 square miles of watersheds on which the Phoenix metro area heavily relies. The water that flows into the Verde and Salt rivers supplies water for about half of the ...

Northeast Texas water planners declared a regional conflict over the proposed 66,000-acre Marvin Nichols Reservoir, which has ...

Mexican officials are scrambling to come up with a plan to increase the amount of water the country sends to the United ...

Dresses stitched with metal woosh like running water and silver cuffs studded ... With a population of almost 400,000, they’re one of North America’s largest recognised Indigenous tribes ...

Sometimes rivers split into branches in unusual ways, reflecting the complexity of Earth's water system on land and how much we still must learn about it.

North America is dripping—with sizable blobs of rock sinking from the underside of the continent, beneath the U.S. Midwest, ...

Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust ...