DENVER — A mammoth marijuana trafficking ring that pretended to be growing weed for sick people was instead illegally shipping the drug to a half-dozen other states and bilking investors, including former NFL players, Colorado

DENVER — A recent insurance study links increased car crash claims to legalized recreational marijuana. The Highway Loss Data Institute, a leading insurance research group, said in study results released Thursday that collision claims in

It’s been three years since Clark County’s first cannabis businesses appeared, and this corner of Southwest Washington has grown into the fifth largest cannabis market in the state, according to sales and excise taxes collected.

The owner of Sticky’s Pot Shop, a cannabis retailer that was shuttered last year after defying Clark County’s ban on recreational weed businesses, said he will reopen the store after a recent victory in the

CARSON CITY, Nev. — Nevada’s marijuana regulators are working furiously to launch recreational sales on July 1, a fast-approaching deadline that could hinge on a court deciding whether the powerful liquor industry should be guaranteed

CORVALLIS, Ore. — A study by Oregon State University researchers has found college students at an undisclosed large public university in the state are using more marijuana since recreational pot became legal two years ago.

CARSON CITY, Nev. — A judge in Nevada is trying to decide whether the state’s first sales of recreational marijuana should begin as scheduled July 1 despite complaints from alcohol distributors. Lawyers for the liquor

DENVER — A pot farm’s neighbor can sue them for smells and other nuisances that could harm their property values, a federal appeals court ruled Wednesday. The 10th U.S. Circuit Court of Appeals ruling revives

Some states that have legalized marijuana are encouraging minorities to enter the growing cannabis industry after years of drug enforcement that had a disproportionate effect on black and Hispanic communities. A look at some of

WASHINGTON — If a whiff of uneasiness hung over the trade show that drew thousands of marijuana entrepreneurs here this month, it wasn’t because they were just around the corner from a White House that