Before their extinction in the 1960s, Caspian tigers once roamed Central Asia. Now scientists want to bring Amur Tiger cubs to areas where the extinct subspecies once lived.

Following a century of decline, the global population of wild tigers grows.

Tigers Forever, High Moon Over the Amazon, Earth from Space, and Medicine's Michelangelo

What researchers are learning as they sequence, map, and decode species’ genomes  

Wildlife veterinarians plan to track the canine distemper virus in Indonesia.