Charles Darwin predicted the existence of a moth with a long tongue based on a comet orchid's nectar spurs. This was ...

The tour focused on California native trees and the flowers blooming in the gardens on the early February morning. Featured ...

Researchers found a hidden mathematical rule in tree-like art. Branch thickness follows a predictable ratio, making trees recognizable.

If you find brown tips on your houseplant, you have to do a little detective work to find out what happened. This guide ...