Officials say a person has been detained for questioning in the disappearance of Nancy Guthrie. The Pima County Sheriff’s ...

Startups used to count on a final, gigantic payout — either a public offering or a corporate acquisition. Now, many founders ...

The sudden and surprising airspace closure over El Paso, Texas, stemmed from the Pentagon’s plans to test a laser for use in shooting down drones used by Mexican drug cartels.

The probe into St. Augustine Airport's leadership turmoil found that Sunshine Law violations and procedural failures by former board members created chaos that overshadowed questions about the interim ...