These alterations can cause drastic harm to certain species, especially insects. Butterfly populations are disappearing across the United States. Why is this happening, and is it reversible? Discover ...

The splashy monarch butterfly only lives about five weeks, but its entire survival is in question due to threats posed by ...

A new study compiling butterfly surveys across the country found a 22% overall decline, while seven species found in Maine ...

Monarch butterflies are making their flight north after wintering in Mexico. Here's what to know about the fascinating, fragile traveler.