An environmental advocacy group and the state’s largest pecan farming company filed an appeal Tuesday challenging a state ...

TUCSON, Ariz.— Conservation groups filed a formal notice today of their intent to sue an international mining company to protect critical desert streams and washes in southern Arizona’s Santa Rita ...

Two other jaguars have recently had their northward journey thwarted by the border wall, failing to arrive in Arizona where it appeared they had been headed. The Santa Rita Mountains are now ground ...