Animal expert Jack Hanna, also known as Jungle Jack, has traveled from Antarctica to Asia spreading his passion for animal conservation. And now he's traveling the country with his stage show, Jack ...

Jack Hanna, who hosted several television shows on animals and was a regular presence on late night talk shows, is suffering from Alzheimer’s disease, his family has revealed in an interview with his ...

Beloved zookeeper and TV animal expert Jack Hanna is now living with advanced Alzheimer's disease, his family said recently. They also revealed he no longer recognizes most loved ones. They say his ...