Monarch butterfly numbers are declining, but people like Lorene and Robert Miller of Plain City are helping in a major way.

Monarchs in a super generation, the 4th and last of the year, live 8 times longer than other generations. They fly 3,000 ...

The annual migration of monarch butterflies is one of science's great mysteries: millions of monarchs know the correct path even though they have never made the long journey themselves. As 60 Minutes ...

This summer's drought and record-breaking heat could affect the fall migration of the endangered monarch butterfly, according ...

Every year, millions of monarch butterflies venture across North America – though in far smaller clusters than decades ago. Monarch populations have plummeted due to habitat loss, pesticide use and ...

The monarch butterfly is facing an uncertain future: Populations have been slowly declining for years, shrinking by as much as 90% due to human development. Last winter’s count of overwintering ...

The northward monarch butterfly migration took weeks of flapping wings and several generations to reach the Great Lakes region. Monarch butterflies winter over in Mexico and then make their way north ...

PACIFIC GROVE — Monarch butterfly numbers are down this year entering prime counting season, but experts aren’t panicking yet. “Butterfly populations are bouncy,” said Isis Howard, an endangered ...

Once numbering in the millions, Western Monarchs have seen their populations collapse over the past few decades. Last year ...