In the rugged terrain where Mexico and the United States meet, a border wall is just the latest obstacle fragmenting habitats ...

Last night, I was a guest of the National Geographic Channel at the historic Saban Theater in Beverly Hills for the United States premiere of Great Migrations, which airs internationally on Sunday, ...

Filmmaker Bertie Gregory's new documentary special captures the extreme challenges facing the world's fastest land animal.

In this magnificent companion to the groundbreaking 7-hour miniseries, animal journeys are illustrated with images by National Geographic-caliber photographers and with iconic stills from the film.