Colorado hotel room rentals increased considerably after the state began legal marijuana sales, a newly published study reveals. Washington State also saw increases in tourism after legalization, though the effect there was more modest.

The optimal minimum legal age for non-medical cannabis use is 19 years of age, according to a study published in BMC Public Health.

Would you buy a painting made by a dog? What if it came with some weed as a free gift? Welcome to District Derp, an art gallery in Washington, DC, with a couple quirks.

Cannabis farmers often have to face the mercy of a number of exterior factors damaging their crops – so, how can they protect their plants from pests?

New York City has barred many employers from making job applicants get tested for marijuana use, under a law that took effect over the weekend.

The endogenous compound anandamide -- often referred to as the body's own marijuana -- plays a role in erasing memories of a traumatic event.

People who live in states that have legalized marijuana for adult use broadly feel that the policy has been a success, according to a new poll.

One rapidly-growing, but somewhat overlooked sector of the domestic hemp industry is Native American tribes across the U.S. looking to grow or process the plant, or both.

Israel gave approval on Wednesday for exports of medical cannabis, paving the way for sales abroad that the government expects to produce hundreds of millions of dollars in revenue.