river

Levels of pharmaceuticals considered unsafe for aquatic organisms were found at more than one-quarter of sampling sites.

Ten endangered Manning River turtles were saved from flooding in New South Wales, Australia, following devastating fires on the country’s east coast.

Populations of the two-foot-long amphibians are declining across North America. Scientists are struggling to find out why, before it’s too late.

An analysis of the scars left by long-gone flows reveals that Mars’s rivers may have run even when scientists thought the planet was drying out.

The sturgeon restoration study’s outcome won’t be known for decades.

Watch scenes from the Maumee River in Ohio, where researchers are stocking an ancient fish species that is struggling against extinction.

Studying electrical communication in the wild requires braving the Amazon jungle with sensitive equipment.

A new estimate bumps up the area previously estimated to be covered by running water by more than 40 percent.

The variation may help explain why stocked salmon don’t fare as well in the ocean.

An increasingly common algal growth, found in rivers the world over, is caused by changing environmental conditions, not accidental introductions.

A Chinese businessman offers a government official a large monetary reward to take a dip in a river that runs through the town of Ruian.

A river system in Colorado contains high concentrations of antibiotic resistance genes in areas close to water-treatment plants.