Towering over California’s Giant Forest, the 2,200-year-old General Sherman tree is the largest on Earth by volume. But how does this ancient giant still grow and survive modern threats?

The tallest redwood, a roughly 600-year-old specimen known as Hyperion, is located in Redwood National and State Parks, Humboldt County (a UNESCO World Heritage site). Located on a steep, remote slope ...

Hyperion, certified by Guinness World Records as the world's tallest living tree, is officially off-limits to visitors. California's Redwood National Park issued a statement last week that anyone who ...