Frontier has added direct flights from Colorado Springs to Phoenix, Los Angeles and Seattle.
Colorado voters will decide this fall whether to legalize marijuana for recreational use when the state becomes the second in the nation to put such a proposal on ballots this year.
Supporters of a paid sick day initiative in Denver claim momentum is on their side after Seattle became the latest city to require businesses provide paid sick leave.
A mother of six is winning her battle against leukemia thanks to a new way of transplanting umbilical cord blood.
Investigators say a Denver-area man charged with sexual assault and other crimes tried to eliminate evidence after assaulting his victims.
Denver International Airport is preparing to receive possible flights of American evacuees from Japan.
Alaska Airlines had to delay a flight about to leave Seattle-Tacoma International Airport when a rat was seen scurrying in the cabin.