The evolutionary family tree is a sprawling, tangled masterpiece, and humans, frogs, and fish are all nestled on its vertebrate branch. The diagram of life’s history, known as a phylogenetic ...

It's the first observation of "sympatric" evolution: that two species evolved from a common ancestor despite no geographical separation ...

Researchers have combined decades of scientific data, tracing how all birds are related. This provides an evolutionary map ...

A research team has created a comprehensive evolutionary tree of all bird species, integrating data from hundreds of studies ...

The mystery of life’s beginnings has long captivated scientists. Central to that search is LUCA—the last universal common ...

Over the last 20 years, genetic research has changed dramatically. An explosion of genomic data has reshaped how we ...

The study found that bird species who nest in tree cavities have independently evolved heightened aggression across lineages, particularly in females.