Colorado has backed off a plan to require edible marijuana products to come with a stop-sign stamp.
Authorities say a Colorado man was killed in eastern Utah when strong winds dragged him off a cliff where he was going to take off to go hang gliding.
Members of a federal cleanup crew were initially trapped and unable to warn downstream communities that they had accidentally unleashed toxic waste water from a Colorado gold mine.
A Colorado hospital where a Minnesota woman gave birth to conjoined twins said Thursday that one of the babies died after a complicated five-four separation procedure.
A judge has increased bail for a former New Mexico school administrator facing separate child sexual abuse and assault cases in Colorado.
Dish Network and Sinclair Broadcast Group, one of the largest TV broadcasters in the U.S., said Wednesday they’ve agreed on the outline of a new contract, one day after Sinclair’s channels went dark for Dish customers.
Belittled by the judge and jeered by spectators, James Holmes was sent to prison for the rest of his life Wednesday.
Vester Lee Flanagan, who mentioned admiration for the gunmen in mass killings at Columbine HIgh School, took video that shows him killing his former coworkers.
A former Albuquerque, New Mexico, school administrator who faces child sex abuse charges in Colorado has been booked into a Denver jail a day after a judge issued a warrant for his arrest.
Mexican environmental authorities loaded eight lions, two lynxes, a puma and a coyote aboard two military planes for a trip to a Colorado wildlife sanctuary on Wednesday, after the animals were found mistreated or abandoned.