Researchers are investigating a sudden spike in pregnancies in one black-and-white ruffed lemur population that might signal ...

Denver's coach addressed a scathing social media post from his former QB. The back and forth began with Payton's complimentary remarks of Giants rookie Jaxson Dart last weekend. Payton and Wilson didn ...

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 ...