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

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, ...

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 ...

EASTSOUND, Wash. (AP) — Once again, an endangered orca in Washington state has been seen carrying her dead newborn calf in an apparent effort to revive it. Researchers with the Center for Whale ...

Calves can walk within hours of being born, a feat that few four-legged animals master. They are quick learners and are born with most of the features needed for their survival. A newborn can weigh up ...

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 ...

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 ...

In the 1970s and into the early 1980s, New Jersey had just one remaining bald eagle nest, a pair in a remote part of Cumberland County.