The world's forests are changing silently, and scientists are warning about the loss of key tree species and lack of biodiversity.

Billions of American chestnut trees once covered the eastern United States. They soared in height, producing so many nuts that sellers moved them by train car. Every Christmas, they’ ...

For decades, a dominant argument for protecting forests has focused on carbon. Trees absorb carbon dioxide, store it in wood ...

Planting trees on 6.4 million hectares of northern taiga forest could remove 3.9 gigatons of CO2 by 2100 — five times ...

An elephant's trunk is essential for most aspects of the animal's life, from interacting with its environment and with other ...

Billions of American chestnut trees once covered the eastern United States. They soared in height, producing so many nuts that sellers moved them by train car. Every Christmas, they’re called to mind ...

Scientists have identified a crucial mechanism that allows plants to shape their vascular systems, determining whether they grow soft edible storage organs or develop the rigid woody tissue ...

Those trees are central to one of the efforts to restore the American chestnut. If enough of them have distinct means of ...

To protect the southwest’s iconic Joshua trees, scientists are tinkering with their genetics and searching for climate havens ...

While sharks may have emerged before trees, it’s the latter that holds the title of the longest-living organisms. The oldest-known, still-living, individual tree is a 4,857-year-old Californian ...

Modern genomic tools can substantially accelerate restoration of the American chestnut while preserving its ecological ...