The Pacific Northwest is facing challenges as native trees are affected by climate change. In response, the U.S. Forest Service is exploring "assisted migration" to help.

As native trees in the Pacific Northwest die off due to climate changes, the U.S. Forest Service and others are turning to a strategy called “assisted migration.” ...

Two new species of crayfish have been identified in the Pacific Northwest region of North America, and researchers say both species are vulnerable to extinction. One of those crayfish is called ...

In the Pacific Northwest, a divide has emerged between groups advocating for assisted migration that would help struggling native trees, and one that could instead see native species replaced on ...

A pink perennial flower native to the Pacific Northwest is no longer considered threatened or endangered.

The U.S. Fish and Wildlife Service plans to kill about 450,000 invasive barred owls to save spotted owls in the Pacific Northwest.

A highly invasive species of crab — capable of climbing over 13-foot-high concrete structures — has been spotted in the Pacific Northwest for the first time, wildlife officials said.

A highly invasive crab species capable of scaling 13-foot concrete barriers has been spotted for the first time in the Pacific Northwest, as wildlife officials warn of potential ecological and ...

The U.S. Fish and Wildlife Service is proposing to enlist shooters to kill more than 500,000 barred owls over the next 30 years in the Pacific Northwest to preserve habitat for northern spotted ...

Some attendees also voiced worries that the expansion of timber production could severely impact endangered species in the Pacific Northwest.

In the Pacific Northwest, a divide has emerged between groups advocating for assisted migration that would help struggling native trees, and one that could instead see native species replaced on ...