How tribal leaders, commercial fisherman and a few small environmental groups won an uphill campaign against dams.

State officials have wrestled with the sea’s deteriorating condition as its water becomes fouler and its footprint shrinks, ...

A new conservancy will oversee work to improve vegetation, water quality and natural habitat in the Salton Sea. Will nearly ...

Every December, groups of birders set out to identify and count birds in specified areas as part of a citizen science project ...

More than a quarter of our planet's natural "geomorphs"—animals such as beavers and hippos that, collectively, can reshape ...

New species of shark, sea butterfly, mud dragon, bamboo coral, water bear, octocoral, and shrimp were just some of the marine ...