The Trump administration proposed a rollback of Endangered Species Act protections that left Western wildlife advocates sounding gutted but vowing to fight in court.

Despite its gruesome moniker, the Colorado River cutthroat trout has long been revered as one of North America's most beautiful native fish — and it's now one of the country's most imperiled. Named ...

The longest-standing trout record of all was certified by Field & Stream more than a century ago, when Dr. J.W. Cook hauled a 14-pound, 8-ounce brookie out of the Nipigon River in Northern Ontario ...

"Rising from the Shadows" uses breathtaking underwater imagery to reveal the dramatic world of the Cutthroat Trout as they encounter fierce predators, changing habitat and the threat of ...

Large numbers of Rio Grande cutthroat trout once swam the cool, clear waterways of southern Colorado and New Mexico. Even famed conservationist Aldo Leopold — who condemned state and federal agencies' ...