On the slope of a Utah mountain, lives the world's oldest living organism. It has lived there for thousands of years, living in harmony with the natural world around it, but today it is being slowly ...

While it may be defined as a single organism, Pando is anything but one—sustaining an entire world under its canopy. Here’s how it works. When you think of the world’s largest organism, you might ...

Explore the largest living organisms on Earth and how they grow.