Duplicated genes that appear in every branch of the tree of life can provide us with insight into the evolution that occurred ...

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 ...

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.

In a world where evolutionary biology often gets boiled down to simplistic hierarchies of "primitive" and "advanced" species, a new book by University of Maryland, Baltimore County (UMBC) biologist ...

The world’s largest butterfly tree of life is helping researchers determine where the winged insects originated when they first appeared on Earth about 100 million years ago. During the age of the ...