Idaho’s pollen allergy season, which starts in late February or early March, is in full force. But this year it’s not quite ...

Seattle Times reporter Lynda V. Mapes, in an effort to learn more about our forests, overcame her fear and climbed a 200-foot ...

Cottonwoods, along with related big-toothed and trembling aspens, are poplars — some of New England’s fastest-growing tree ...

If you feel like your allergies are out of control, you’re not alone. Oklahoma is experiencing the highest tree pollen levels ...

I picked up a road burrito at Alpha Coffee and headed up Little Cottonwood Canyon. Earth Day is coming Tuesday, April 22, but Alta Ski Area always gets into the action early. And what better a place ...

Need a break? Play the USA TODAY Daily Crossword Puzzle. Bradford pear trees are among the worst regarding wind damage, due to the softer wood and also the shape of the tree which tends to split ...

Liberty, Redding's famous bald eagle, did not lay eggs this year, marking a first in her documented nesting history. Experts believe the lack of eggs might be related to a series of events in the ...