Tree of Life,' a Sitka spruce in Olympic National Park, is nearing the end of its life on the Washington coast.

Thus, understanding the evolutionary history of living species amounts to understanding where on the tree of life ... to thinking about nature was the so-called "ladder of life," also known ...

This year’s festival, "The Tree of Life: A Love Letter to Nature," explored the relationship between humans and the other inhabitants of our planet. PhotoVogue began as a digital platform ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Trees depicted in ...