In the heart of Canada's Rocky Mountains, an unassuming yet remarkable butterfly has been quietly flying under our scientific ...

Did you know that caterpillars come from butterfly eggs? See pictures of butterflies laying eggs on their host plants.

Generations have watched in wonder as yellow-and-black striped caterpillars fold into green-and-gold chrysalises and emerge as ... Monarch butterflies only flap their wings around 5 to 12 times per ...

Generations have watched in wonder as yellow-and-black striped caterpillars fold into green-and-gold chrysalises and emerge as ... Monarch butterflies only flap their wings around 5 to 12 times per ...

This is at least the second attempt to get the black swallowtail butterfly as the state butterfly ... The moth is the adult stage of the woolly bear caterpillar, also called the woolly worm.