The lower half of a fish ladder at Bonneville Lock & Dam in Cascade Locks remains unchanged as upgrades focus on the upper section. A new $8 million project at the Bonneville Lock & Dam aims to make ...

LANSING – A recently discovered chemical compound that makes it difficult for invasive sea lamprey to find their breeding grounds may be a new tool for controlling a parasite that threatens Great ...

Scientists have investigated lamprey embryos using cutting-edge microscopic techniques to reveal interesting insights about vertebrate head evolution, clarifying an unresolved mystery in basic science ...

Taking deliberate steps along the rocky bank, Monica Blanchard waded into the Stillaguamish, a roiling river that snakes through the lush conifer forests of northern Washington. It was a rare ...