Researchers have found that the taller the Japanese black pine trees (Pinus thunbergii) along the coast, the deeper their roots penetrate the ground. Deeper roots make trees more resistant to damage ...

Add Yahoo as a preferred source to see more of our stories on Google. A western pine beetle rests on a sap mound on a pine tree. - Charles Wollertz/Getty Images A thriving pine tree is a thing of ...

Colorado’s warm and dry winters have tipped the balance in a long-running ecological tug-of-war. The mountain pine beetles, native insects to the Centennial State, have recently exploded in numbers in ...

BISHOP, Calif. — Forest pathologist Martin MacKenzie strode forward on a narrow path through California’s mythic bristlecone pine forest in the White Mountains near the Nevada border, methodically ...

Stretching from British Columbia, Canada down to parts of California and east to Montana, live the whitebark pine. The tree grows in subalpine and timberline zones — elevations anywhere from 4,000 to ...

Pinus thunbergii trees planted in coastal forests in Japan are very resistant to tsunamis and strong winds because of their strong roots growing straight down and deep. Many P. thunbergii trees have ...