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 ...

Humans may desire immortality, but it is trees that are garnering more success in this pursuit. One of them is now nearly five centuries old, having witnessed all the ups and downs of multiple ...

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 ...

Trimming a 147-foot redwood in northern England to win a Guinness World Record needed a cherry picker, 1,320 multicolored bulbs and precautions for high winds.

Last year, the world lost trees covering more than 29 million acres, an area roughly the size of the entire state of Pennsylvania. Around a third of the trees were in mature tropical rainforests, ...

The Christmas season seems to start earlier and earlier each year. Some retailers start selling decorations around Halloween, ...

The 31-inch artificial tree has just 25 branches and 12 fake berries. LONDON -- The “humblest Christmas tree in the world” which is thought to be one of the earliest mass-produced artificial trees has ...

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 ...

"Pinus Longaeva" or bristlecone pines are the oldest trees, having been alive for nearly 5000 years. Among many environmental benefits trees offer, purifying air by providing oxygen and absorbing ...