Read a statement from 30 scientists, doctors and public-health experts from Harvard, Cornell, Rutgers and other universities about the "overwhelming evidence for the toxic effects of lead in humans ...

Few animals evoke the wild like wolves. Majestic, intelligent and highly social, they’re crucial in driving evolution and balancing ecosystems. Some 2 million wolves once roamed freely throughout ...

Rare dancing grouse of the Southwest, lesser prairie chickens are known for the males' elaborate calls and showy displays of reddish-orange air sacs while they perform mating dances on “booming ...