Ecologists are piloting a technology that is expected to help restore waterways like the Green River to eventually produce more fish.

A recent beluga whale sighting had Puget Sound agog. It wasn't the first time a whale visited a Northwest city.

Marine mammal conservation groups are working to get a health assessment of the whale, which was identified from a video taken Sunday.

The words we use when we talk about nature have a life beyond the pages of scientific journals.

Entomologists push to rename the world’s largest wasp amid conversations about other controversial insect names.

And as a bonus: you don’t have to be a hardcore cyclist to enjoy them.

Washingtonians are all for increasing fish passages to save salmon and orcas — but when action conflicts with the ways we live, things get complicated.

Thousands of volunteers are looking for the invasive, bee-killing insect, leaving officials optimistic about keeping the hornets at bay.

Wildfires don’t affect only the drier, eastern part of the state. The densely populated west side is also vulnerable to burns.

Unprecedented temperatures recall a 2015 heat wave that killed 99% of salmon returning to one stretch of the Snake River.

U.S. Fish and Wildlife Service considers listing Mt. Rainier ptarmigan on the federal endangered species list.