Colleges are becoming a battleground in the conflict between federal and state marijuana laws as students who use medical pot challenge decades-old campus drug policies.

Soldiers are smoking a whole lot more weed if they happen to be stationed in or near a state where it's legal, and the Army has definitely noticed.

Drivers suspected of being high on pot may soon face the same type of roadside breath test cops use to catch drunken drivers, as several firms prepare new devices for the street.

Scores of military veterans have found a niche guarding millions in pot and profits for California’s cannabis kings.

A video of a Gwinnett County police officer handing back marijuana to a driver during a traffic stop has gone viral.

Do you want legal, tested marijuana delivered to your door, without worrying that the police will show up next? Soon, that will be a reality in Massachusetts.

A U.S. appeals court has ruled workers in Colorado’s marijuana industry are subject to overtime pay rules and other federal labor protections even if the industry itself is federally illegal.

"We’re the only state to go recreational and see a year-over-year reduction in legal sales."

What will be the legal fallout from the vaping health crisis?