"We're not seeing signs of them dying off," one of the study's lead authors told NBC News. "They are increasing in size and ...

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 ...

The Giant Eucalyptus Specimen Archive was made possible in part by funding from the Jayne Wilson Bequest from the Tasmanian Museum and Art Gallery. Daniel Bar-Ness runs Giant Tree Expeditions, a ...

The Biden administration moved on Tuesday to conserve groves of old-growth trees on national forests across the U.S. and limit logging as climate change amplifies the threats they face from wildfires, ...

Crystal Cave, while not as easy to access, takes visitors back in geological time. Tickets must be purchased online in advance, and a slow, bumpy road leads to the parking lot. The park recommends ...

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 firefighters with tree ...

FRESNO, Calif. — A lightning-sparked wildfire in California’s Sierra National Forest burned Tuesday through a grove of giant ...