Deep below the surface of the ground in one of the driest parts of the country, there is a looming problem: The water is ...

The River Styx at Oregon Caves National Monument and Preserve is the only underground stream included in the National Wild ...

Rivers are releasing ancient carbon dioxide, reshaping our understanding of the carbon cycle and its impact on climate change ...

At San Xavier, much of that water went into the district’s cooperative farm, which adjoins the river to the west. “Return flows” from the farm are a major source of the river’s rebirth.

One of Ukraine’s worst ecological disasters in recent years is now the site of a remarkable natural transformation, according to ecologists.

The steady flow of the Cumberland River is intertwined with the story of the U.S. Army Corps of Engineers. As the ...

The revered nature writer asks ambitious questions in his latest work, written at a tipping point for the world’s climate.

The Colorado River Basin lost an alarming amount of groundwater over the past 20 years, a new study found. Nearly 28 million acre-feet of water has been depleted from the region, nearly the volume of ...

North America's deepest gorge, Hells Canyon, which slithers along the border of Idaho and Oregon, is a surprisingly new ...

Researchers found massive depletion of the region's groundwater, adding more stress to the drought-stricken Colorado River.

The salt marshes that are vitally important in protecting shorelines from erosion are increasingly threatened with death by ...

Libya’s groundbreaking Great Man-Made River Project stands as a testament to human ingenuity in one of the driest, most ...