What is the Oldest Living Organism on Earth?
![A tree.](/sites/default/files/styles/large_1/public/2017-07/roman-averin-173797.jpg.webp?itok=s68NOjnB)
"What's the oldest tree or other living organism on Earth?" That question was posed to BBC Crowd Science, and it turns out it's a difficult question to answer. The oldest confirmed organism is a bristlecone pine tree in California that's 5,067 years old. But its possible there are a few other organisms on the planet that are much older.