Academy Scientists Matt Tursi (left), Danny Morrill (center), and Colin Rohrback (right) conduct an electrofishing survey in a headwater stream of the Delaware River. (David Keller) Piping plover.

Wildlife biologists reported finding a small population of California red-legged frogs within the burn scars of a Northern California wildfire that torched a large area of the Sierra foothills last ...

Tropical forest losses hit their third-highest level in almost two decades last year, despite improved conservation in parts of Southeast Asia, researchers said on Wednesday, warning of rising ...