As the weather starts to warm in Australia, you might notice the pleasant flutter of butterflies in your garden during the day. And perhaps if you've left a porch light on during the night, you will ...

CHICAGO — Let’s talk about butterflies vs. moths. They’re both insects. They both begin life as caterpillars. When the caterpillar enters its pupa stage, it will emerge as one or the other. Butterfly ...

A Manchester reader wrote: “This butterfly caught my attention because it was rather larger than the monarch and other butterflies that usually frequent my garden. Can you help to identify it?” Our ...

Butterflies and moths are known to mimic one another in order to adopt warning colors that ward off predators. A new study investigates the genetic machinery behind these adaptations and finds that ...