Add Yahoo as a preferred source to see more of our stories on Google. These caterpillars go through a variety of different appearances during their journey from caterpillar to butterfly. Eastern tiger ...

I saw my first butterflies of spring this past weekend. While hiking up Bauneg Beg Mountain in North Berwick, mourning cloak ...

During our long growing season, I get calls about caterpillars in trees and what to do about them. Caterpillars, the larvae of moths and butterflies, use tree leaves as a source of food. In turn, many ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The world’s ...

Add Yahoo as a preferred source to see more of our stories on Google. I plant a lot of dill in my garden each year because I always get black swallowtail caterpillars on the plants. I watch them as ...