The world's oldest trees were growing when the Great Pyramid of Giza was being built and were already thousands of years old when Julius Caesar came to power. To determine a tree's age, scientists ...

Among many environmental benefits trees offer, purifying air by providing oxygen and absorbing carbon dioxide is most valuable for humans. Amid the global impacts of climate change, trees have become ...

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 ...