The festive White House Christmas Tree in Washington, DC. The theme for this year's holiday decorations is “Season of Peace and Light.” Photo by Anna Moneymaker. From the “most famous” (a disputed ...

The World Tree of Hope is now shining bright at Grace Cathedral in downtown San Francisco. The tree, unlike any other in the world, is decorated with close to 20,000 origami cranes. "There's so many ...

In coastal Oregon, the state's tallest fir tree is burning. Douglas-firs (Pseudotsuga menziesii) are Oregon's most common trees, but the tree that's ablaze, known as the Doerner Fir, is special.

The International Union for the Conservation of Nature (IUCN) announced at least 40 percent of tree species around the world are at risk of extinction, according to a Monday release from the ...

Add Yahoo as a preferred source to see more of our stories on Google. Aug. 25—Trees release oxygen for our breath, add nutrients to the soil, shade us from the sun, reduce carbon emissions and ...

Socotra, Yemen — On a windswept plateau high above the Arabian Sea, Sena Keybani cradles a sapling that barely reaches her ankle. The young plant, protected by a makeshift fence of wood and wire, is a ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Trees older than empires are not as rare as you might think ...

The giant Doerner Fir tree caught fire Saturday in Coos County, Oregon. Firefighters are figuring out how to save the historic tree. A drone captures fire damage from above the Doerner Fir tree in ...