Colossal Biosciences aims to freeze millions of animal samples in the hope of saving endangered species, or one day resurrecting them.

The Bronx Zoo announced the birth of an Endangered pygmy slow loris born this past December.

A team from the San Diego Zoo is doing what they can to prevent species from going extinct by cloning animals with preserved DNA. 'Cast aside to die': Voters struggle in deep-red Trump country Cops’ ...

Many mammal populations in European and North American zoos are aging – a trend that jeopardizes the long-term viability of so-called reserve populations and, with it, a core mission of modern zoos in ...

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