Honey bees face many threats today. Habitat loss and pesticides often get the most attention. But one of the most damaging ...

Dr. Sammy Ramsey examining a frame from one of his lab’s hives, looking for cells that might have baby bees developing inside. Credit: Santiago Flórez, Science ...

For decades, beekeepers have fought a tiny parasite called Varroa destructor, which has devastated honey-bee colonies around the world. But an even deadlier mite, Tropilaelaps mercedesae—or "tropi"—is ...