Tucson’s known for natural wonders. But for snowbirds after a different side of the Southwest, the dynamic downtown is emerging as a destination in its own right.

Indian Canyon Drive was reopened through the Whitewater Wash late Thursday morning after being closed for about two days ...

In the Arizona desert, researchers are learning so much more about the peoples who have inhabited this land since antiquity ...

The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...