After the rush of the spring nesting season, things tend to slow down a bit in the natural world. Sure, some birds such as Cedar Waxwings and American Goldfinch are just getting started in their ...

It sounds like something out of the "Alien" movie series, but wasps that lived during the age of dinosaurs laid eggs inside fly pupae, with the wasps eating the flies from the inside out. The study, ...

Many flies are plagued by parasitic wasps, which lay their eggs in fly larvae, turning them into surrogate wombs for wasp larvae. One common fly has successfully fought off its wasp predator by ...

Fruit flies are generally highly susceptible to parasitic wasps, but some have stolen a gene from bacteria that makes them resistant. This adult fly, Drosophila melanogaster, has two cysts (made dark ...