Brown-headed cowbirds (Molothrus ater) deposit their eggs into the nests of other birds, which then raise the cowbird chick. Female cowbirds thus have limited options for impacting their offspring’s ...

Over the last decade, John Huntley, a paleontologist and an associate professor of geological sciences at the University of Missouri, has studied the history of parasite-host interactions. These ...

For a long time, scientists believed that parasitic relationships between marine species developed much later in Earth’s history. But new fossil evidence from Morocco suggests otherwise. A recent ...