A new study suggests that the deadly insects evolved their taste for human blood much earlier than previously thought, around when Homo erectus migrated into Southeast Asia ...

Even at levels safe for humans, air pollution can disrupt the way some insects communicate with plants, and with each other.

Bed bugs did not evolve to target humans by accident, but through a long process of adaptation tied closely to human behavior. As people moved into permanent shelters, these insects shifted hosts and ...