In 1980, a band of bighorn sheep were captured from the Sun River area along the Rocky Mountain Front and moved to a foreign landscape to the east, north of Montana’s massive Fort Peck Reservoir.

If you've ever wanted to catch a glimpse of bighorn sheep in the wild, you may want to check out these two viewing events ...

Some people see trash and weeds and walk on by. Others rail against the slobs of the world, or agencies that don't do their ...

Scientist finds Jeffrey pine trees at record mountain heights, suggesting climate-driven shifts in Sierra Nevada.

Two Arizona national parks were named among the best parks for seeing wildlife like mountain lions, bison and birds. Here's ...

The most venomous snakes in Arizona include rattlesnakes, sidewinders and coral snakes. Here's where they live and how to ...

Humans are great at building things, but it’s also beginning to dawn on us that these impressive and sometimes magnificent ...

California's official animal inspires awe and holds cultural significance. But some wildlife officials say reintroducing ...

Metabolism is known to be linked to lifespan in some species, though it remains unclear how this effect is mediated. Here they show that reduced pyruvate dehydrogenase (PDH) activity lowers ...

The Aquatic Habitat Restoration Fund (AHRF) was developed in response to concerns raised by Indigenous groups during consultations on the Trans Mountain Expansion Project (TMX). These concerns include ...

The Phoenix Zoo in April opened Big Cats of Arizona, a $5.4 million habitat paid in part with a grant from the Arizona Office of Tourism.

Although mountain goats are known to quite literally live life on the edge, these animals now face a host of threats entirely ...