In the Upper Columbia near Trail, their diet evolves with age: juveniles feed on aquatic insects, zooplankton, and small fish ...

For most of the past two years, Jesse Allen has worked 12 hours a day, seven days a week operating a crane to move ...

Over the last 30 years, efforts have been made to help improve the chances of survival for the creature. Passerby spots rare ...

The Donald Trump administration has pulled the federal government out of a Joe Biden-era plan to invest more than $1 billion ...

The Historic Columbia River Highway is set to close for several months as crews work to repair an area damaged by an ancient ...

To Donald Trump shooting across my bow, “Stopping Radical Environmentalism to generate power for the Columbia River Basin” (Presidential Memorandum June 12).

A catamaran capsized on the Columbia River near Kalama on Sunday, prompting a water rescue, according to the Cowlitz County ...

Riverfest celebration along — and on — the Susquehanna River between Columbia and Wrightsville rolls on this weekend. Kicking ...