Add Yahoo as a preferred source to see more of our stories on Google. MARBLE CANYON, Ariz. — Nestled among Arizona’s colossal Vermilion Cliffs, an inconspicuous building bustles with the sounds of ...

Minutes after getting to a park in the middle of Phoenix, you can see flashes of green in the sky and hear chatter because ...

Arizona’s desert birds are in decline, according to a national conservation report tracking long-term bird populations, prompting one conservation group to ask the federal government to take action on ...

Stinknet is an invasive plant in southern Arizona, and February is when it begins to flower.

The Center for Biological Diversity has asked the U.S. Fish and Wildlife Service to add the Bendire's thrasher to the endangered species list. The thrasher is a rare desert songbird whose habitat is ...

MARBLE CANYON, Ariz. — Nestled among Arizona’s colossal Vermilion Cliffs, an inconspicuous building bustles with the sounds of flapping wings. Inside the remote building, no larger than a double wide ...

Biologists treat sick and injured condors in a remote "hospital" in northern Arizona. The birds also receive vaccines to fight the avian flu. The condors ingest lead ammunition when they eat animal ...