They are an invaluable tool. Experts turn to unexpected helpers for critical mission in 'tortoise capital of the world' — ...

From 9-foot tall ostriches to albatrosses with gargantuan wingspans, here are some of the biggest birds in the world.

From Alaska across southern Canada all the way south to Tierra del Fuego — the southernmost point of South America — ...

Organ Pipe Cactus National Monument in Arizona sits along a primary migratory flyway for birds stopping during their long journeys elsewhere. Birders, photographers, and those who simply enjoy ...

For outdoor enthusiasts, Springerville serves as the gateway to some of Arizona’s most underappreciated recreational ...

Rattlesnakes get all the attention, but Arizona has numerous nonvenomous snake species. Here's why they're beneficial and ...

A recent study published in Nature Ecology & Evolution has issued an urgent warning. New findings point to rapid extinction ...

So much science starts with deciphering a genome, the blueprint for every being on Earth. With such roadmaps in hand, ...

Animal conservationists often move elephants between herds to improve biodiversity and group health, but what if the elephants don't speak the same language?

Why do snakes flick their tongues? Can snakes smell fear? Here are 10 amazing facts about rattlesnakes, flying snakes and ...

Uncontrolled livestock grazing is destroying streamside habitats that are critical to endangered plants and animals in Arizona and New Mexico, a new report has found. Half of roughly 2,400 miles su… ...

Wild At Heart saves Arizona’s burrowing owls by relocating them to tiny underground apartments—now featured in National Geographic. This work is a race against time.