Turn your backyard garden into a beautiful butterfly paradise. Grow swallowtail butterfly host plants and flowers.

The world’s largest butterfly tree of life is helping researchers determine where the winged insects originated when they first appeared on Earth about 100 million years ago.Video above: Monarch ...

Walk through any garden center in spring, and you are almost guaranteed to see rows of butterfly bushes covered in bright ...

Monarchs traveled to a remote part of Mexico, a journey they've made for thousands of years, and wintered there. Now tens of millions of the butterflies are on an epic aerial journey back north.