LOS ANGELES -- In order to keep up with the animals and tell their story, the "Animals Up Close With Bertie Gregory" crew had to push themselves to the limits. As a wildlife filmmaker and National ...

Captive wild animal encounters are hugely popular, thanks partly to social media. But our investigation shows many creatures ...

The National Geographic Society funds Explorer Joel Sartore's Photo Ark project, which aims to document every species living in the world's zoos, aquariums, and wildlife sanctuaries.

When temperatures drop, so do the invasive green reptiles. Here’s everything you need to know about cold-stunned iguanas.

Filmmaker Bertie Gregory's new documentary special captures the extreme challenges facing the world's fastest land animal. In his new documentary special, Bertie Gregory follows cheetahs during the ...

Some species are at their most active in winter, whether they’re flying, feeding, or mating. From elephant seals in ...

As Bertie Gregory remembers it, the seeds of his passion might have been sown in the fields of English farmers, near his childhood home, where an endless wildlife drama unfolded. He recalls spending ...