The children were part of the Capitol Junior Rangers program, a statewide initiative for children aged 7 to 12 to learn about California’s biodiversity.

As trees grow larger, their heartwood proportion increases and eventually accounts for most of the biomass. Heartwood decay ...

Have you ever paused beneath a towering oak or maple and wondered if that rough, gnarled bark is hiding secrets? What if I ...

Every species of tree has unique characteristics, from its bark to its leaves, that you can use as clues to identify ...

Wellingtonia or giant redwood is the largest single stem tree and the largest living thing (by volume) on earth. The tallest was measured at 94.8 metres (311 feet). This one is around 23 metres (75 ...

Isotopes, dinosaurs, and the redwood in the ravine. Isotopes are forms of an element that vary ever so slightly in their number of neutrons, leaving what you might call chemical ...

Zailenko constructed his huts from redwood bark, sturdy limbs and mats made of needles, making watertight shelters built to withstand winter storms. According to park signs, Zailenko always kept ...

An adult wandering salamander (Aneides vagrans) clings to the bark of a California redwood tree. The four-inch amphibians make their homes in the little-studied canopy.

I wrote to video designer Hana S. Kim wondering how she had gone about that. "I visited Redwood forests several times to prepare for this production," she said in an email.

A beetle pest is endangering pine trees in Pierce County, including an outbreak at Chambers Creek Regional Park. Learn how officials are addressing the threat.

The tallest tree in the world is a coast redwood named Hyperion. Found in California’s Redwood National Park, it stands at an amazing height of 115.92 metres (380.3 feet).

Redwood (Sequoia sempervirens) is a wonderful evergreen species, with mature trees commonly reaching 300 feet high and 12 feet in diameter. (Giant sequoia is even larger and is a different species.) ...