In a groundbreaking discovery in Brunei, scientists have found two-million-year-old fossils of Dryobalanops rappa—an endangered tropical tree that still lives today. The find marks the first fossil ...

Giant dams built to conserve the Colorado River have nearly wiped out nearby native cottonwood trees, causing big ecosystem disruption. Tiny dams built to mimic those built by beavers could bring them ...

A 105-foot cottonwood tree that was cut out of a Billings backyard last week might have some life left in it. When news of the tree’s demise reached Marty Flanagan, he knew he wanted a piece. For ...

Giant dams built to tame the Colorado River have nearly wiped out native cottonwood trees along many riverbanks, disrupting local ecosystems. But new tiny dams, built to mimic ones that beavers make, ...