The long lifespan of many trees, which could be centuries or even millennia in the case of a few species, is a source of awe and inspiration for many. The bark of trees can often tell some stories ...

All over eastern North America right now, chestnut breeders are pollinating tree flowers. "So here is actually some flowers," Retired forester John Scrivani explains. They’re beautiful. "And they’re ...

“We called them gray ghosts,” the now 77-year-old retired forester says of the American chestnut tree scattered throughout his former North Carolina home and still towering over the forest floors.

Courtney Streett (right foreground) gazes up at the American chestnut tree in Delaware with other hikers as guide Joe Sebastiani (gray baseball cap) gives a tutorial. (Cris Barrish/WHYY) Octogenarian ...