An incredible migration occurs in Indiana where millions of monarch butterflies breed and fly through the state to overwintering grounds.

This butterfly conservatory holds over 4,000 butterflies from as far away as Southeast Asia and South America.

The plight of the monarch butterfly could cost farmers a valuable tool in the fight to protect crops from weeds and pests. An effort is underway to list the monarch butterfly as threatened under ...

"This is a rough butterfly and it has to go thousands of ... "Maybe we are actually, you are reviving — you're helping someone's ancestor fly back," Rickards said. "Yes, indeed.