Encountering a butterfly can bring you great comfort after the death of a loved one. Many believe they bring communication from the other side.

but not so restrictive that people don't want to help the monarch," she said. "You have this caterpillar that weaves this beautiful green and gold cocoon, and then this beautiful orange butterfly ...

Thogmartin and other researchers have evaluated more than 200 scenarios for restoring greater than 1.3 billion stems of milkweed to rebuild their population. Without substantial participation from ...