Genetic sharing among evolutionary neighbors all happens through hybrids: the offspring produced when individuals from two ...

Humans are far more monogamous than our primate cousins, but less so than beavers, a new study suggests. Researchers from the University of Cambridge in England analyzed the proportion of full ...

An evolutionary "trap" has haunted crested and marbled newts for 25 million years: Leiden researchers have uncovered a mysterious DNA error that should not be able to arise—yet persists all the same.

Multigene families are at the core of immune system complexity, shaping how organisms sense, respond to, and remember infection. Gene duplication, ...