A recent report assessing the health of U.S. bird populations presents a grim outlook: Birds in the U.S. are declining, and a ...

A Yale-led study warns that global climate change may have a devastating effect on butterflies, turning their species-rich, ...

Birds that call Colorado's high plains and deserts home are in serious decline, according to a sweeping new conservation ...

Scientists must journey to remote islands in the middle of the Bering Sea, braving uncertain conditions, to reach the ...