BILLINGS, Mont. — An estimated 5,000 gallons of a chemical used to deice roads spilled into the Clarks Fork River, killing dozens of fish, after a semitrailer crash Monday near the Montana-Wyoming … more

MONUMENT, Colo. — The executive director of the Colorado Department of Corrections was shot and killed when he answered the front door of his house, and police are searching for the gunman and … more

The towering giant sequoias at Yosemite National Park would go unprotected from visitors who might trample their shallow roots. At Cape Cod National Seashore, large sections of the Great Beach would … more

DENVER — Silly rabbits. Parking companies at Denver International Airport are installing bunny blockers in an effort to prevent the furry creatures from damaging cars by eating spark plug cables … more

SALT LAKE CITY — Almost all of the air pollution in a rural corner of Utah comes from oil and gas drilling and a coal-fired power plant, leading scientists to believe those emissions are … more

PIERRE, S.D. — A plan to restore some of the state’s permitting authority over a proposed uranium mine was rejected by a South Dakota Senate panel Thursday after lawmakers said they see no need … more

LEAD, S.D. — They used rubber bullets and fictitious scenarios, but the skills developed by more than 25 local law enforcement officers recently at an active shooter training held at Lead-Deadwood … more

COLORADO SPRINGS, Colo. — Firefighters have at least temporarily battled to a "draw" with a fast-moving fire that already has killed two people and destroyed 379 homes, giving weary authorities and … more

HELENA, Mont. — A state judge has ruled that a Montana ranch for troubled children adopted abroad is not an exempt church ministry and must be licensed by the state. Ranch For Kids owner Joyce … more

HELENA, Mont. — An advocacy group told a judge Thursday that a new voter-approved law unconstitutionally requires state agencies to determine who is an illegal immigrant and turn them over to … more