Monarch butterfly on a person's finger - Matt Champlin/Getty Images Monarch butterflies (Danaus plexippus) have long captivated humans due to their fascinating life cycles and physical characteristics ...

Whether you’re a butterfly fanatic or simply interested in nature, the monarch butterfly is worth a study. Beautiful and serene, monarch butterflies have a unique lifespan. But how long do monarch ...

Monarch butterflies were in abundance just a few decades ago, but now they’re a rare sight indeed and that’s likely because they’re now endangered. MEXICO CITY — The number of monarch butterflies ...