Some transport water, oxygen, and carbon dioxide either into or out of the animal. Others fight bacteria or fungal infections. And at least one—in each species—is used for defense. To warn ...

Nat Geo’s 21 most compelling images of the 21st century Nat Geo’s 21 most compelling images of the 21st century These are our best animal photos of 2020 These are our best animal photos of ...

From National Geographic’s Photo Ark and Joel ... before he passed away [in 2016]. Making those photos felt epic because you know this animal is never going to come this way again.

Tom O’Brien is no stranger to building contraptions to have photographers get up close and personal to wildlife or deal with ...

The oldest winged fossil dates back 330 million years ago, suggesting that insects were among the first animals to leave the oceans for land during the Devonian period some 400 million years ago.

Photos of tourists with captive wild animals abound on social media ... In December 2017, after a National Geographic investigative report on harmful wildlife tourism in Amazonian Brazil and ...