California's Redwood National Park is home to some of the largest trees on earth. A particular hike will bring you up close ...

Identifying a dominant leader and cutting away any competing leaders when a tree is young will allow it to grow more robustly and live longer, said a local certified arborist.

For more than 150 years, scientists have debated whether Prototaxites—which stood roughly 24 feet tall and 3 feet wide—were ...

High-elevation treelines are a global phenomenon, but the large-scale ecological and physiological mechanisms that define their existence still elude ecologists. The upper altitudinal limit of ...

A civic leader, a health care advocate, a popular Pakistani eatery and a nonprofit group that helped bring dinosaurs to Palo Alto will all be honored with Tall Tree Awards next month for their ...