When the Chernobyl nuclear power plant had a meltdown, it was a terrifying event for people around the world. As one of the ...

Researchers are not just worried about the virus popping up on American farms. Other types are causing trouble around 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 ...