Add Yahoo as a preferred source to see more of our stories on Google. Jacqueline was walking to her southeast Melbourne home one day this week when she spotted an unusual pattern on the bark of a ...

In biology, phylogenetic trees represent the evolutionary history and diversification of species -- the ''family tree'' of Life. Phylogenetic trees not only describe the evolution of a group of ...

Researchers used more than 1,400 climate-sensitive tree-ring chronologies from multiple tree species across North America to reconstruct the Palmer drought severity index (PDSI), a widely used soil ...

The reason why so many tree species can coexist in species-rich forests has long been a subject of debate in ecology. This question is key to understanding the mechanisms governing the dynamics and ...

A picture supposedly showing an unusual wood pattern beneath the bark of a burned tree is met with a wide range of reactions (and humorous comments) whenever it circulates on social media: This is a ...

The math that describes the branching pattern of trees in nature also holds for trees depicted in art—and may even underlie our ability to recognize artworks as depictions of trees. Trees are loosely ...