Northern Arizona is famous for its aspen trees, and a multi-decade study looks into how they’re being affected by climate ...

Earth's largest and oldest organism, the Pando aspen tree in Fishlake National Forest in Utah, is being eaten alive by ...

Some organisms can outlive humans by hundreds or even thousands of years, and the contender for Earth's oldest living thing ...

The cleaning project quickly morphed into an archaeological survey after the team found a row of distinctive bricks.

I was up in the White Mountains this weekend, walking out to my car in the AMC’s Highland Center parking lot after a hike, and there between the buildings and the cars was a gorgeous aspen tree ...

Challenge Aspen partnered with Denver's Craig Hospital to bring a group of previous patients to Snowmass Mountain to learn ...

A 20-year study of aspen tree growth has revealed some alarming results. The critical tree species is remarkably adaptable when mature, but the same is not true for younger aspens. As the climate ...

The message behind Aspen, and how strong the tree is,” Nicoletta says with a smile. Aspen was immediately put on a ventilator to help her breathe but Kays said she was stable and strong. At just 4 ...