The mass of warm water known as "the blob" that heated up the North Pacific Ocean has dissipated, but scientists are still seeing the domino-effect it is having on Northwest salmon and steelhead...

The graceful mute swan, symbol of love and hero of storybooks, is targeted for destruction by wildlife managers in New York and other states...

Five prominent species of ash tree in the eastern U.S. have been driven to the brink of extinction from years of lethal attack by a beetle...

Researchers say a type of tree famous for having the longest lifespan on Earth is losing a slow-motion race to the top of mountains across the Western United States...

A Massachusetts marine science center says it has disentangled a humpback whale off of Cape Cod...

A new report warns that more than 40 percent of the most common breeding species of birds in Massachusetts are considered "highly vulnerable" to climate change...

Seeds from hundreds of rare plant species around New England are being collected and frozen inside a "seed ark" for future use...

Wildfires are chewing across dried-out Western forests and grassland, putting 2017 on track to be among the worst fire seasons in a decade...

Thick stands of dead timber in the Western U.S. have forced firefighters to shift tactics, trying to stay out of the shadow of lifeless, unstable trees that could come crashing down with deadly force...

Scientists assessing efforts to eradicate invasive ants on the Channel Islands off the California coast have enlisted a four-legged worker to sniff out the aggressive insects and make sure the invasiv...