Helicopter seeds, also known as samara fruits, are winged seeds that glide through the air to disperse over a wide area. Found on various trees, these seeds delight nature enthusiasts with their ...

Fossil tree resins open a window into the deep past as their organic compounds, termed biomarkers, can be used to identify the botanical provenance of these ancient trees, as well as the ...

Tree cores pulled from some of the planet’s oldest trees have helped extend records of past weather.

Melissa Breyer was Treehugger’s senior editorial director before moving to Martha Stewart. Her writing and photography have been featured in The New York Times, The Guardian, National Geographic, ...

Phylogenies are a fundamental tool for organizing our knowledge of the biological diversity we observe on our planet. But how exactly do we understand and use these devices? Tree diagrams have been ...