The tree of life maps out the relationships between all living things, and it's in constant flux. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

A tree of life based on genes from across the nuclear genome and containing nearly 60% of all angiosperm genera unveils the complex evolutionary history of flowering plants. This tree both ...

A new study unveils the most comprehensive understanding of the evolutionary history of flowering plants to date. The research analyzed 1.8 billion letters of genetic code from more than 9,500 species ...

Why do you have five fingers? Why not ten, or twenty, or one? Why do so many animals have five fingers? Five seems to be the perfect number for most hands. Oddly, the first vertebrates to come onto ...

Where there’s a tree, there’s usually a forest. But not always. A biologist describes some of the loneliest trees on planet Earth. When we think about isolation in nature, we usually picture islands ...