A study by Canadian researchers is providing a clearer picture of the evolutionary history and genetic organization of cannabis, a step that could have agricultural, medical and legal implications for this valuable crop.
Genetic differences between hemp and marijuana determine whether Cannabis plants have the potential for psychoactivity, a new study by University of Minnesota scientists shows.
The debate over the legalization of marijuana has focused primarily on questions of law, policy and health. But a new paper co-authored by UC Berkeley researchers shines a spotlight on the environment as an underappreciated ...
The federal government is chipping in money for a three-year pilot study using sewage samples to determine levels of marijuana use in two Washington cities—research that could help answer some key questions about pot legalization, ...
An Australian museum has defended an artist who suggested that teenagers be given marijuana to unlock their potential, describing the proposal as "brave and creative".
Ride-sharing service Sidecar on Tuesday added medical marijuana to the list of goods it will promptly deliver to customers in San Francisco.
Frederick Hutson was serving time in prison for moving a mountain of marijuana when he came up with a million-dollar idea for Internet startup Pigeonly.
Los Angeles is suing to shut down a mobile phone application that arranges medical marijuana home deliveries.
Federal biologists say the marijuana industry in the Emerald Triangle of Northern California and southern Oregon is a key threat to salmon in danger of extinction.
Wildlife officials say drought-stricken streams in Northern California's coastal forests are being sucked dry by water-guzzling medical marijuana farms—an issue that has spurred at least one county to try to outlaw personal ...