State law is a little vague on how old is old enough for a child to stay home alone in Arizona. Here's what to know this ...

Health officials confirmed they were investigating if an outbreak of E. coli originated at the Arizona State Fair.

A state health department report offers hints that Arizona's lagging vaccination rates are becoming more deadly.

Dozens of kids reportedly went to the ER after exposure to E. coli. Several had acute kidney failure and said they touched a pig at the petting zoo.

An Arizona lawmaker who is concerned about library associations' "political leanings" has introduced a bill that library ...

You don't need to confine your high-rolling casino experience to Las Vegas or Reno. Here's where you can go in the U.S. for ...

The Arizona State Sun Devils and Colorado Buffaloes faced off in a Big 12 college football Week 13 game today at Folsom Field in Boulder, Colorado. Look back at our live score updates for news, notes, ...

Under Robert F. Kennedy Jr., the Department of Health and Human Services uses its social media channels to promote Kennedy ...

One study estimates that an outbreak the size of the one in West Texas earlier this year costs about $12.6 million.

RFK Jr. has eroded public trust in vaccines, critics say. Now, the U.S. stands to lose its measles-free status.

Family members were getting ready to cut the cake at a toddler’s birthday party when the gunfire started inside a banquet ...