Researchers have found a clue in the branches, and used math to describe how the way we see branches in nature and art contributes to our recognition of trees. "We've come up with something ...

In London, a copse of reconstituted trees is welcoming audiences to Ai Weiwei’s exhibition at the Royal Academy, where, eight years ago, David Hockney unveiled his 40ft painting Bigger Trees Near ...

Workers weld vertical supports ... a spray of white, latex paint. They use this ring fastener to crimp the artificial foliage together that will be used to cover the tree's framework.