Rescheduling will not shut down the thousands of existing medical (or for that matter recreational) grows, processing facilities and dispensaries that serve people in about half of the U.S.

When you think of the legal marijuana industry, you think of Colorado and California. But marijuana is not uniquely American, nor is the legalization movement.

TUCSON – Snoop Dogg visited a Tucson marijuana dispensary and talked about legalization before his concert Thursday. The rapper took photos with fans at Purple Med Wellness Center. He has launched new products he is selling to dispensaries.

For Californians resolved to one day entering a dispensary and purchasing pre-rolled joints or marijuana-infused cookies — all for recreational use — a high-profile ally who lives 3,000 miles away has emerged.

American clothing company Patagonia has joined calls urging Congress to legalize industrial hemp farming in the United States.

From small towns that barely dot the map to the state’s largest urban areas, revenue from retail marijuana sales is helping communities address homelessness, send children to college, patch potholes, secure water rights and fund an array of projects.

SWANSEA, Wales (UPI) -- Officials from a city in South Wales are warning that a group of sheep could have ingested cannabis causing them to stir up trouble in nearby towns.

California is poised to legalize marijuana for adults 21 and over, according to the results of a survey released Wednesday from the non-partisan, non-profit Public Policy Institute of California.

A Phoenix doctor is conducting a study this summer focusing on how marijuana affects veterans with post-traumatic stress disorder.