Senator John McCain says the saber-rattling coming out of North Korea could be a problem. McCain told interviewers on CBS' Face the Nation on Sunday, China could help stop North Korea. “China does hold the key to this problem,” McCain said.

The U.S. Bureau of Land Management (BLM) is investigating the vandalism of an archaeological site just over the Arizona state line near Blythe, Calif. Some of the graffiti at an archaeological site.

Researchers at Arizona State University have worked for years developing a tiny laser invisible to the naked eye. See if you can spot the nanolaser at an ASU engineering lab. Hint: it's 1/100 the width of a human hair.

Arizona is tightening up its rules regarding photo enforcement cameras on roadways. Gov. Jan Brewer signed a law last week requiring cities to prove there’s a legitimate safety need before installing the cameras on state roads.

Drivers who would normally use Interstate 40 east of Flagstaff should postpone their travel plans until weather conditions that closed the highway improve. Strong winds continue to impact Northern Arizona as a Spring storm continues to bring strong winds to the state.

Arizona Senator Jeff Flake says he's taking a 'wait and see' approach to the threat from Gabrielle Giffords' husband, former astronaut Mark Kelly, to challenge him in the next election.  Flake, who was elected to a six-year term last November, joined the filibuster which prevented a vote on the measure to expand background checks on gun sales.

Hiking season is in full swing in the Arizona high country, and professional hiking guide Roger Jenkins says if you plan on going out, you need to plan now to avoid problems.  He advises putting together a permanent hiking kit with 10 essentials that can be used for day hikes or multi-day adventures.

Arizona Attorney General Tom Horne met in Phoenix Monday with city attorneys from around the state to discuss the legality of civil unions. Horne is reacting to Bisbee’s recent approval of civil unions for gay couples.