There's no conclusive evidence, but a river reputed by some to be the oldest in the world dates back 340 million years.

It’s Vanderbilt vs. Grand Canyon in the college baseball MLB Desert Invitational tournament. Follow for score updates, ...

At stake: Top eight advance to Masters meet, which will be held Feb. 21-22 at Christian High School.

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.