More than 500 native plants in San Diego County are held in a Native Seed Bank at the zoo. Those seeds are dried down to a ...

The San Diego Zoo Wildlife Alliance reached a historical milestone after adding an endangered plant species to its Frozen Zoo ...

Trees that witnessed key moments in history, provided inspiration to writers and played supporting roles onscreen made this ...

I noticed a lot of small twigs with leaves on them under my oak tree and became concerned about the oak. It is a large, ...

Have you ever noticed a tree with branches that are cut back to its trunk and wondered what it means? Here's what's behind this pruning practice.

One person identified non-native English ivy, a common invasive species in the United States, on a large oak tree.

Lions have been dubbed the king of the jungle, but one could argue the real royalty are the trees, the massive woody beasts ...

Scientists discover a giant thousand-year-old tree called Tessmannia princeps, a new species that reaches 131 feed high and 3 ...

Eastern Oregon's Malheur National Forest boasts some of the state's oldest trees, including pine and larch that live more ...

Students and alumni at UVA Sawmilling are transforming 35 tons of white oak and cedar into benches, raised beds and more.