Disturbing a desert tortoise in its native habitat is not only risky for the tortoise, it's illegal, state officials say.

The city of Phoenix has planted several gardens to support struggling monarch butterflies, including one at the downtown ...

Why is the smell of Arizona's monsoon so distinctive? It releases the aromas of the desert, one ecologist says.

Arizona’s culinary landscape is just as vibrant and varied as its stunning desert vistas. Blending rich Native American traditions, bold Mexican influences, and creative modern twists, the Grand ...

Mycorrhizal fungi are a vital part of ecosystems around the world — including to climate-threatened saguaros here in the ...

Why is the smell of Arizona's monsoon so distinctive? It releases the aromas of the desert, one ecologist says.

The venture, privately funded to start, is now run by the University of Arizona. And today, scientists there are quietly ...

Along a wash west of Oracle Road near Catalina State Park, a soaptree yucca juts from the desert floor like a 30-foot-tall toilet brush.

Commentator Herb Paine reveals how the quiet disappearance of species signals a deeper unraveling of the web of life and challenges us to listen before the silence becomes permanent.

A Tucson ordinance meant to protect native vegetation, like saguaros, on property being developed has not been enforced for about 20 years. Rick Wiley / Arizona Daily Star ...

CATALINA FOOTHILLS, Ariz. (KGUN) — Native Seeds is hosting a one-day-only Monsoon Plant Sale and Pop-up Shop on Saturday, July 19. Native Seeds is a local organization serving as a resource to create ...

In the early 1990s, eight people tried to survive in a hermetically sealed glass structure filled with miniature forests, ...