The Citizen Tree is asked over and over to provide. Piece by piece giving what it has and getting nothing in return.

A dogwood tree at Penn State Behrend had had an interesting life since being planted 20 years ago. Hey! This tree might be an ...

Jacarandas are everywhere, including at the L.A. Arboretum, which offers other recommendations for those seeking more than ...

Giant groundsels are rare plants that grow up to 30 feet (9 meters) tall. They are endemic to the slopes of Mount Kilimanjaro ...

California's ancient buttonwillow tree and the town named after it, 25 fabulous things to do in L.A. and more big stories.

Devil's Breath, also known as scopolamine and burundanga, was previously used as a truth serum by the CIA and comes from ...

Colombian gangs are using a deadly drug once used by the CIA as a truth serum to kidnap and rob Western tourists.

For centuries, humans have wondered if trees are more than passive bystanders in nature. Do they sense? Do they communicate?

For the past few weeks, a single tree more than 2,000 miles away has captivated the attention of this Mount Gallant Elementary School class in Rock Hill. Its name is Pando. Covering 106 acres of ...

The forest made of a single tree known as Pando ("I spread" in Latin) has 47,000 stems (all with the same DNA) sprouting from a shared root system over 100 acres (40 hectares) of Utah. Here, this lone ...

supported by the tree, rebuilt in 2001. Photograph by Diane Cook and Len Jenshel, National Geographic Pando, Quaking Aspen, Fish Lake National Forest, Utah Though it sounds like the creation of a ...

“What we think of as a tree is really kind of a branch,” Rogers said. “The part sticking above ground is only a small part of this larger organism, which is this vastly connected root system.” Pando’s ...