Ancient alerce trees may shelter entire underground ecosystems, with vast fungal networks helping forests cycle nutrients and store carbon.

Hidden beneath a quiet patch of forest in eastern Oregon, a single organism has quietly conquered the landscape, killing trees as it spreads and knitting the soil together with living threads.

Prototaxites taiti’ was not a fungus but an extinct eukaryotic lineage, a study reveals, resolving a mystery that as perplexed experts for centuries.

During photosynthesis, trees convert the carbon dioxide to sugars and in doing so produce oxygen as a biproduct, which is vital for life on Earth. “Trees draw carbon dioxide out of the atmosphere and ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

FRESNO, Calif. (AP) — A lightning-sparked wildfire in California’s Sierra National Forest burned Tuesday through a grove of giant sequoias and set some of the ancient towering trees on fire. Wildland ...

SEQUOIA NATIONAL PARK, Calif. - A family of four holds hands and tries to wrap themselves around the trunk of a giant sequoia tree. They fall way short. The massiveness of the trees in Sequoia ...