The small fish are expected to thrive inside Biosphere 2 and establish a new, local population, according to researchers.

Rapid development in the Valley is displacing burrowing owls from their native agricultural habitats, leading to a decline in the Arizona population. The nonprofit Wild at Heart Rescue relocates ...

TEMPE -- After years of careful experimentation, the Desert Botanical Garden has celebrated a milestone in its effort to save an endangered orchid. For the first time since the project began in 2016, ...

One of the rarest species on Earth, the Devils Hole pupfish, came close to extinction in recent months, thanks to an earthquake 500 miles from their deep desert cave. Now, worried scientists and ...

The International Union for Conservation of Nature (IUCN) has announced that several species of animals and plants have now ...

TUCSON, Ariz.— The Center for Biological Diversity and Maricopa Bird Alliance today filed a notice of intent to sue the U.S. Forest Service and U.S. Fish and Wildlife Service to end years of illegal ...

PHOENIX— Federal land managers have allowed years of extensive damage from livestock grazing to streamside habitats vital for endangered plants and animals in Arizona and New Mexico, according to a ...

On October 23 every year, the world comes together to observe International Snow Leopard Day, a day dedicated to raising ...

Fatal attractions are a standard movie plotline, but they also occur in nature, with much more serious consequences. As a conservation biologist, I’ve seen them play out in some of Earth’s most remote ...