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

Recent scientific discoveries suggest that Earth was once home to enormous trees, dwarfing today’s tallest redwoods. These ancient giants have left behind intriguing clues in the form of fossils and ...

A lightning-sparked wildfire has torn through a grove of ancient giant sequoia trees in California’s Sierra National Forest, with some of the majestic specimens catching fire. The blaze, known as the ...