"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 ...

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 ...

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 of nature's endurance in the face of change. Trees that have stood tall ...

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 ...

"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 ...

These skyscraping superstars are the stalwart examples of their species Trees have many interesting features and uses, but it's perhaps their height that inspires the most reverie. Humans may have a ...

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 ...

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 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 ...