Why is the federal government claiming thousands of acres of riverfront property from a bunch of North Texas landowners?
Fish are thriving and the environment has been reshaped following a major dam removal project in Washington State.
More than half of the rivers in the Upper Colorado Basin originate as groundwater, USGS says.
With global temperatures rising, can a nation afford to protect a pristine waterway and forgo the building of dams as an alternative to burning coal?
One group is fighting to uncover the 45 rivers that flow under the Aztec capital, hidden underground for decades.
In Texas's Flash Flood Alley, it only takes a few hours to cause lifelong devastation.
The search for the source of the Nile captivated civilizations for centuries. For a long stretch of time from ancient Greece right up into the 19th century,...
The concrete ditch running through the city is a sad joke even in Los Angeles. A revitalization effort decades in the making is getting under way, but will it repeat the mistakes of the past?
The fate of 70 million people rests on the Mekong river. With crucial UN climate talks in Paris next week, John Vidal journeys down south-east Asia's vast waterway and meets people affected by climate change, dams, deforestation and urbanisation
As the deadline for the Gila River diversion project looms, locals are taking action to save a critical ecosystem.
More of North America's land is covered by rivers than we thought, according to a new map.
New Orleans has built the infrastructure to protect itself from hurricanes, but can it win the battle against rising seas?
A float trip down a beloved river explores what might be at stake if a proposal for a copper mine by its watershed becomes reality.
If the magical green-blue Soca river isn't the most beautiful river on Earth, it is most certainly high on the list.
A little-known waterway coursing through southern California is enjoying a renaissance and drawing an unlikely crowd.
The smallmouth bass with a malignant tumor was caught late last year near Duncannon, Pa. Officials say it's the first time such a tumor has been found in the state on that type of fish.
Near Las Vegas, levels in the nation's largest reservoir have dropped 140 feet since 2000. Water deliveries to Nevada, Arizona and California may soon be rationed — and farmers would feel it first.
Dramatic photography from one of British Columbia's most stunning spaces, under constant threat from mining development.
A region confronts changing weather patterns that have shrunk snowpacks, raised temperatures, spurred evaporation and reduced reservoirs to record lows.
Rivers drive the evolution of Earth's surface by eroding and depositing sediment. But for nearly a century, geologists have puzzled over why theoretical models, which use principles of physics to predict patterns of sediment transport in rivers, have...