In the Wasatch Mountains of the western US on the slopes above a spring-fed lake, there dwells a single giant organism that ...

In the Wasatch Mountains of Utah, a remarkable organism known as Pando stands as the largest living organism on Earth by mass ...

Pando is a 100-acre aspen forest in Utah where all the trees share one enormous root system. ... and Pando's fracturing may have large impacts on various dependent species.

CRESTED BUTTE, Colo. — Aspen trees are the celebrities of a Colorado fall day. Think about it. People line the roads to take pictures with them. Instagram feeds from all over the state feature ...

Aspen trees can thrive in a variety of conditions including sandy soil, gravel, dry grasslands and elevations from 6,500 feet to 11,500 feet. But one thing they cannot go without is abundant sunshine.

Aspen aren't the only trees in trouble in the Rockies. The needles of many spruce and pine trees in Colorado are tinged with red, a sign of bark beetle infestation. The outbreak began in 1996 and ...

Some aspen trees have grayish-white bark when they are young or on higher branches, ... well, bigger and toothier. They’re 3-6 inches long with 30-34 large, saw-like teeth around the edge.

Aspen trees are particularly vulnerable because they are linked together underground, so carving into one tree can potentially damage multiple trees. Additionally, aspen bark can photosynthesize ...