What began with a focus on weather forecasting has evolved toward addressing errors in scientific modeling. In the collaborative environment of the Penn State Institute for Computational and Data ...

Wulfenite — Arizona’s official state mineral — is the theme for this year’s 65th Annual Tucson Gem and Mineral Show, where exceptional specimens are on display from mines in Arizona and around the ...

As if Downtown renewal wasn't enough of a horror story, now some say ghosts have taken over the doomed Santa Rita Hotel. As owner Humberto Lopez prepares to sell the beleaguered, graffiti-tagged ...