Gov. Jan Brewer has cleared one hurdle for new research on the possible medical benefits of marijuana.

When Arizona voters approved the use of medical marijuana in 2010, Steve Cottrell saw a way to combine his laboratory background and his interest in the plant he’d been studying since his 11-year-old son died of cancer more than a decade before.

Conceding their lobbying arguments are inconsistent with those in court, state prosecutors have given up in their bid to regulate how products with marijuana are labeled.

Republicans should get out front for once and lead the movement to legalize marijuana. It makes sense any way you look at it.

State lawmakers voted Thursday to put new limits on the packaging of food and drinks containing medical marijuana.

Ignoring a threatened lawsuit, a Senate panel voted Monday to let police destroy marijuana they have seized, even if it was taken wrongly from a medical marijuana patient.

LOS ANGELES — It’s been called, sometimes derisively, a collection of 72 suburbs in search of a city.

Police say they have arrested the operator of two “compassion clubs” in Tempe and seized more than 120 marijuana plants.

Hoping for a speedy conclusion, Maricopa County Attorney Bill Montgomery on Friday asked the Arizona Supreme Court to immediately take up his challenge to the state's medical marijuana law.

A University of Arizona physician has taken the first political steps in her bid to do medical marijuana research at state-run schools.

The state Court of Appeals on Thursday rebuffed a request by Maricopa County to delay a medical marijuana dispensary.

PHOENIX — A state appeals court hears arguments Thursday on whether to temporarily put on hold a judge's order upholding Arizona's medical marijuana program.

A lot of people like to make predictions on what is going to happen. Too few of us take responsibility for their successes and, yes, their failures. Here is what I forecast on December 23, 2011 followed by what actually happened and my report card:

Recognizing that marijuana doesn't just "happen,'' state Health Director Will Humble said Thursday said he will license new dispensaries even if their owners have nothing ready to sell.

A judge on Thursday rebuffed efforts by Maricopa County Attorney Bill Montgomery to further delay the paperwork necessary for opening a marijuana dispensary.