More imperiled Snake River sockeye salmon returned to central Idaho this year than in nearly a decade

The University of Idaho's plan to build the nation’s largest research dairy and experimental farm has cleared a big hurdle

A five-year review by U.S. officials has determined that Endangered Species Act protections for ocean-going salmon and steelhead that reproduce in the Snake River and its Idaho tributaries must stay in effect

The University of Idaho wants to build the nation's largest research dairy and experimental farm in south-central Idaho

Energy Department Secretary Jennifer Granholm says research at the department's eastern Idaho nuclear facility is key to boosting nuclear energy to meet President Joe Biden's goals of 100% clean electricity by 2035 and net zero emissions by 2050

An Idaho public utility's nearly two-decade effort to renew a three-dam hydroelectric project license on the Snake River on the Idaho-Oregon Border is advancing with federal regulators announcing plans to update an environmental study

The U.S. is adding $103 million this year for wildfire risk reduction and burned-area rehabilitation throughout the country as well as establishing an interagency wildland firefighter well-being program

Two groups say the U.S. Forest Service violated environmental laws in approving exploratory drilling by a Canadian company hoping to build a gold mine in Idaho west of Yellowstone National Park

U.S. officials have released an environmental study for a proposed nuclear test reactor to be built in eastern Idaho that backers say is needed to revamp the nation’s fading nuclear power industry by developing safer fuel and power plants