The next in our series, learn about what specifications narrowed the selection of the U.S. Capitol Christmas Tree and how ...

A new tarantula species has been found in southeastern Arizona by two researchers who have identified more of the giant spiders than just about anyone on Earth.

Owls make their homes in many national parks around the country, though they can be tricky to spot. Here are a few profiles ...

Matt Harris, a forest fire researcher at Western and lead-author of the study, says that two decades of data on fires across four states paints a clear picture that aspen trees have a natural ...

And you might have it. The city is looking for a spruce tree that is more than 30 feet tall to serve as its community tree on Continental Square this holiday season, according to a news release.

Teak is a valuable tree species known for its use in furniture and other applications. It is naturally distributed from India to Indochina and is cultivated in approximately 65 countries worldwide.

The U.S. Interior Department announced Wednesday it has removed the Apache trout — Arizona’s official state fish — from the list of endangered and threatened species.

Of the more than 4,000 known tree species found only in Mesoamerica, nearly half are threatened with extinction, according a new assessment.

As Oregon gets hotter and drier due to climate change, tree-killing invasive pests that prefer warmer temperatures are thriving — endangering Sitka spruce along the coast, firs in the mountains ...

Where will it hit the hardest? The study also mapped "exposure hotspots," regions where local tree diversity—the number of tree species in a given area—will be most exposed.

The Oregon Department of Forestry is assessing damage done by the spruce aphid along the Oregon Coast after an outbreak in Yachats earlier in 2025.