Scientists poke a hole in the age of trees

Some of Britain's most majestic ancient trees are probably not as ancient as we previously thought, one of the country's leading tree-ageing experts has suggested.

Climate change is giving old trees a growth spurt

Larch trees in the permafrost forests of northeastern China—the northernmost tree species on Earth—are growing faster as a result of climate change, according to new research.

Group clones California giant trees to combat climate change

At the foot of a giant sequoia in California's Sierra Nevada, two arborists stepped into harnesses then inched up ropes more than 20 stories into the dizzying canopy of a tree that survived thousands of years, enduring drought, ...