Native to the east and north-central parts of the U.S., American arborvitae trees are 40-foot-tall conifers ... if their heady popularity in the perfume industry is any indication.

Illegal incense tree felling is on the rise in Hong Kong, and scientists are fighting back by taking DNA samples from each ...

A stone's throw from the city's urban center are forests home to trees that produce fragrant—and valuable—agarwood, used in a ...