The idea of U.S. scientists creating hybrid human-animal beings raises staggering ethical, legal, and scientific questions about the future of genetic engineering, biomedical research, and the ...

Miní, a wild-born female jaguar, takes an unbelievable journey from the Iberá Wetlands to the Gran Chaco forest to revive a dwindling population of jaguars in Argentina. Conservationists led by the ...

The agencies wrote that it's "unthinkable" that a person could be imprisoned for expressing an opinion the government ...