In 2003, four adventurous animal science majors embarked on a University of Delaware study abroad program in New Zealand. The Blue Hens toured sheep farms, studying new ways to intertwine agriculture ...

By examining thousands of genomes along with fragments of ancient chromosomes, researchers uncovered the intricate journey of ...

A human, an octopus, and a coral could hardly look more different—yet deep inside their cells, their chromosomes still carry ...

A sweeping analysis of thousands of animal genomes suggests that chromosomes do not evolve randomly but instead follow a limited number of irreversible “evolutionary highways.” These one-way genetic ...

If you liked this story, share it with other people. A new study tracing the evolution of same-sex sexual behavior in mammals, using phylogenetic analyses, suggests these behaviors may have evolved in ...