The United States is moving to grant federal protections to the monarch butterfly -- a once-common species recognizable by ...
The genome of a once-endangered songbird shows extensive signs of inbreeding, according to a new study by Penn State ...
Marine invertebrates, however, don't often get the same attention — and researchers are working to change that. Giant clams ...
The red-cockaded woodpecker in the Southeast is no longer federally endangered, thanks to decades of conservation work; the ...