A strange, contagious cancer is threatening Tasmanian devils, but researchers’ fight is fueling breakthroughs in science, ...

On a lawn inside the Bronx Zoo, rows of headstones display multiple animal species, making for an eerie display during the ...

Decades ago, India’s tigers were on the brink of extinction. Slowly, their numbers have rebounded. But that ecological success has prompted a dire problem—and a race to save many of them from genetic ...