The first European American who reached the Colorado River in the Grand Canyon marveled at what was before him: an astounding system of canyons, profound fissures and slender spires that seemingly tottered from their bases.

The federal government moved one step closer Monday to requiring registration of drones, unveiling a public-private task force that has a month to develop recommendations for a drone registration process.

The Federal Aviation Administration is issuing a stern warning to hobbyists who may want to get an up-close view of the Super Bowl using an unmanned drone: Do it and you may end up in jail.

Matthew Capota glanced over at his group as three teenagers picked up pieces of an airplane engine on a table and turned them over in their hands. Capota, a senior at Liberty High School, and fellow students make sure the engine would work properly and safely.

A Tucson firm is hoping to launch thrill-seekers toward the edge of space — or maybe somewhere close to that — from Arizona. The company’s effort was boosted this week by a bill approved by the Legislature and signed by Gov. Jan Brewer.

The Arizona House has approved a bill that would allow county attorneys to prosecute people charged with pointing a laser at aircraft.

Despite Arizona losing out on a federal contract to be a launching pad for drones, a group in the southern part of the state is going ahead with its plans for a private test site.

Arizona's bid to become a test site for unmanned drones was rejected Monday as federal officials picked six other proposals.

Senators for Colorado and Arizona want to see if unmanned aircraft can help fight wildfires.

The Arizona Legislature will wait to consider the regulation of drones for at least another year.