SIOUX FALLS, S.D. — South Dakota is on the lookout for dairy cows. Gov. Dennis Daugaard and state agriculture officials are traveling this week to the World Ag Expo in Tulare, Calif., with the … more

RAPID CITY, S.D. — The list of South Dakota lakes with worrisome levels of mercury in fish grew again in 2012. But state environmental specialists say that doesn’t mean people should stop eating … more

ALBUQUERQUE, N.M. — New Mexico has brokered an agreement with federal regulators and the state’s largest utility that aims to settle more than a year of wrangling over the best way to curb … more

DENVER — A storm that toppled trees, whipped up blinding dust storms and may have spawned some tornadoes closed highways in Wyoming Tuesday and was slowing flights at Denver International … more

BOULDER — A man suspected of hiding in the tank of a portable toilet at a Boulder yoga festival and spying on women in other bathrooms will be allowed to plead not guilty by reason of … more

BILLINGS, Mont. — An environmental group has filed a lawsuit in federal court seeking to overturn government approvals for seven coal mines in four states. Jeremy Nichols with WildEarth … more

HELENA, Mont. — Government officials are planning to transfer 63 Yellowstone National Park bison to a nearby research facility as the park seeks ways to reduce its growing population of the … more

DENVER — Prosecutors in the Colorado theater massacre case have rejected an offer from suspect James Holmes to plead guilty in exchange for avoiding the death penalty, saying the proposal can't be … more

RAPID CITY, S.D. — A budget misstep is forcing Pennington County to dip into emergency funds to keep up the fight against the mountain pine beetle. County Commissioner Lyndell Petersen tells the … more

WASHINGTON— Democratic Sen. Max Baucus, the powerful Senate Finance chairman who steered President Barack Obama's health care overhaul into law but broke with his party on gun control, said Tuesday … more