Here are 10 animals that have some of the highest levels of testosterone and the impact it has on their behavior and characteristics.

Animal reproduction and breeding encompasses the full spectrum of natural, assisted and genetic processes that underpin the perpetuation, improvement and conservation of species across diverse taxa.

FORT WAYNE, Ind. (WANE) – Making sure animal species are sustainable and viable for generations to come is the goal of species survival plans in AZA accredited zoos across the country and around the ...

Get ready for Valentine’s Day by learning how zoo matchmakers use science to “swipe right” for conservation. Mike Bock Male Andean bear Quito (above) has fathered two cubs at the Smithsonian’s ...