The return of wolves and other predators to Yellowstone has reduced elk browsing, allowing aspen trees to grow back for the first time in decades.

The apex predators, restored to the park in 1995, appear to be keeping the local population of plant-eating elk in check, ...

Gray wolves were reintroduced in Yellowstone National Park in 1995 to help control the numbers of elk that were eating young trees, and it is finally paying off for quaking aspen.

About 43 percent of the stands contained a new cohort of small trees, marking the first documented growth of aspen canopy foliage in northern Yellowstone since the 1940s, according to the study ...

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 ...

For example, the bark of young quaking aspen may be grayish-white but as the tree ages, the bark, especially around the base, becomes darker and furrowed and even a bit “warty.” ...

In fact, there’s an aspen clone in Utah that covers 100 acres and has been estimated at 40 times the weight of a blue whale, making it the largest living thing on Earth – not to mention the ...