An Amazonian lake reached 106°F recently, and that heat killed hundreds of river dolphins - an alarming sign of climate ...

Heavy rain from a persistent atmospheric river pattern continues to impact California this week. Here's what's causing it.

A sweeping flood watch stretching more than 800 miles along California’s coast and interior plains is in effect this week ...

Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky. They ...

Rain and strong winds continue to impact parts of California as an active storm pattern brings flooding concerns, power ...

A rare toad changed the fate of a river by becoming the first amphibian to halt a hydroelectric dam. It's now in trouble.

An atmospheric river is expected to impact California late Saturday night through Monday, delivering a concentrated plume of ...

Scientists have repeatedly warned of accelerated Himalayan melt, with impacts on river flows, water security and hydropower generation across India and neighbouring countries.

The State of Environment Report examines water quality and quantity across the oil sands region and how they change over time and location.

Southeast Asia’s Mekong River is one of the world’s most diverse and productive freshwater ecosystems, home to more than ...

Along the U.S. West Coast, atmospheric rivers are dreaded for the damage they can cause, but they are also essential to the ...

For the first time, scientists have mapped vast, continent-scale river drainage systems on Mars — ancient networks that may ...