Regulators had to work with limited existing information on the possible risks of pesticides and contaminants in marijuana.

Colorado regulators fined more than 40 cannabis cultivators and manufacturers over the last five years for failing to comply with testing requirements.

Smoking or ingesting cannabis and getting behind the wheel is the same as drinking and driving in Colorado- both are considered DUIs.

Colorado's largest cannabis cultivator says the state agency tasked with regulating a $1.4 billion marijuana industry was ...

A Colorado judge declined to require the state’s cannabis regulator to suss out illicit products being sold by licensed ...

More states eventually followed, but it wasn't until 2012 that two states legalized weed for recreational purchase and consumption − Colorado ... here is where marijuana is legal − medically ...

It seems like a question that comes up every time state budget cuts are in the news: With all the money Colorado collects from legal marijuana, why is it still struggling to fund schools and other ...

Q1 earnings reveal a widening market divide, DEA nominee prioritizes rescheduling, and Rove and Swade make big expansion ...