Monarch butterflies are important culturally and ecologically across North America. Generations have watched in wonder as yellow-and-black striped caterpillars fold into green-and-gold chrysalises and ...

Most butterflies live only a few weeks, but this "super-generation" of monarchs will survive up to nine months before returning north in the spring. Now is the time to make sure your butterfly ...

This winter, volunteers from the Xerces Society, a nonprofit environmental group, tallied just 9,119 western monarchs — a ...