Researchers are studying a desert viper known for producing an unusually harsh rasping sound when threatened. Footage reveals how its scales rub together to create an abrasive noise that travels ...

Viruses typically aren’t considered ‘alive,’ as many core biological functions are outsourced to their potential hosts. But a newly discovered organism appears to straddle the line between virus and ...

In the open ocean in the dead of night, a light-studded downline silently sinks a hundred feet into the water’s inky depths. The National Geographic Society, committed to illuminating and protecting ...