The theory of evolution by natural selection was first formulated in Darwin’s book “On the Origin of Species” in 1859. It describes how organisms change over time as a result of changes in heritable ...

Evolution is hard to model mathematically, but a new study may have found a way to do just that with some inspiration from an unlikely source.

A quiet neighboring species changed how sticklebacks select their mates. Just one new species can alter the path of their ...

Groundbreaking research shows that as men age, harmful genetic mutations in sperm become more common—not just from random ...

Some colorful lizards and a mathematical formula from the finance sector have been used to build a new framework to model ...

Some animals aren’t just lucky, they’re biological masterpieces of adaptation. These creatures thrive in extreme conditions ...

A 4.4-million-year-old Ardipithecus fossil named "Ardi" shows early humans walked upright, keeping ape-like climbing ...

We are lizard biologists, and to do our work we need to catch lizards—never an easy task with such fast, agile creatures.

These "imposter crabs" have evolved independently through natural selection, as a rounded shell and signature sideways ...

High rates of autism and other neurodevelopmental disorders may be due to how humans evolved in the past, new research has suggested. Increases in diagnoses have been increasing for decades, with one ...

Harmful genetic changes in sperm become substantially more common as men age because some are actively favored during sperm ...

Therefore, female birds have a greater genetic vulnerability, which explains why males tend to live longer in this class. But ...