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

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

Mating calls and rituals can be intercepted, or drowned out, by invasive species. Scientists are just starting to understand ...

Removing trees deprives the forest of portions of its canopy, which blocks the sun’s rays during the day and retains heat at ...

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 ...

The endangered big cats are hanging on in Russia, the first country-wide survey of the animal suggests, while scientists and ...

From their odd appendages to their unsavory hygiene, certain animals suffer an image problem. But their awkward attributes can be their biggest advantages. Found across every continent except ...

The National Geographic Explorer dedicated her life not just to chimpanzees, but global conservation. Jane Goodall studied the chimpanzees of Gombe starting in 1960, making hers the longest field ...

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 ...