On a remote Chilean island, botanists are trying to keep a species alive that's literally down to one wild tree—and a new ...

Add Yahoo as a preferred source to see more of our stories on Google. Trees tell us stories. Scientists count their rings to figure out how old they are and when those years add up, it can be a sign ...

Add Yahoo as a preferred source to see more of our stories on Google. A 3,200-year-old bristlecone pine in a forest with blue sky above The world's oldest trees were growing when the Great Pyramid of ...

A few things on this planet are old enough to make history books look recent, and that includes some living trees that have weathered through tons of challenges. Scientists have dated them, and locals ...

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 ...

The largest trees on Earth by volume, giant sequoias soar upward like natural skyscrapers and are simply mesmerizing in their immensity. These trees have a limited range, though: They’re found only on ...