Watch a Monarch caterpillar go through metamorphosis and become a gorgeous butterfly. In this awe-inspiring timelapse, we see ...

The U.S. Fish and Wildlife Service said it is reopening the public comment period for a proposed rule to list the monarch ...

These late-blooming plants native to North America help feed butterflies — especially monarchs-— at a crucial point.

The caterpillars of these butterflies develop special glands that secrete a nectar-like substance to attract ants. The ants ...

Gayle Anderson reports the Butterfly Pavilion takes flight at the Natural History Museum of Los Angeles County (NHM) for the ...