In a groundbreaking discovery, botanists have identified a towering, ancient species of tree in Tanzania’s Udzungwa Mountains. Known as Tessmannia princeps, these giants stand at heights of up to 131 ...

A recent addition to the Old-Growth Forest Network, the preserve is not only home to the giant trees, but also 80 acres of younger forest that serves as a buffer around the big trees, as well as a ...

Lightning-sparked wildfires killed thousands of giant sequoias this year, leading to a staggering two-year death toll that accounts for up to nearly a fifth of Earth’s largest trees, officials ...

I don’t know how old our remaining trees are, but I did learn this: The world’s oldest tree, Methuselah, is a Great Basin Bristlecone Pine that grows in the White Mountains of eastern California.

SEQUOIA NATIONAL PARK, Calif. (AP) — Fire crews moved to ramp up the battle Wednesday against two expanding forest fires threatening Sequoia National Park’s giant sequoia trees and infrastructure.