The Tree of Life holds a lot of symbolism in almost all cultures. It shows how the earth is linked to heaven and hell. There are many meanings and interpretations. The Tree of Life can be "a feminine ...

The tree of life might seem like a stable design, appropriate for indelible ink. Plenty of people think so. An Internet search for “phylogenetic tattoos” turns up some showy skin art. But the branches ...

The tree of life, which depicts how life has evolved and diversified on the planet, is getting a lot more complicated. Researchers at UC Berkeley, who have discovered more than 1,000 new types of ...

The first draft of a new "tree of life" contains every named species of flora and fauna known from over 3.5 billion years of life on Earth. Michelle Starr is CNET's science editor, and she hopes to ...