The iconic monarch butterfly is declining across North America. You can help make a difference by providing the species with ...

The number of monarch butterflies in California is in sharp decline this year. This is the second-lowest population recording ...

Scientists are grappling with a stark population decline of the western monarch butterfly after the species’ numbers hit a ...

The natural phenomenon of the iconic monarch butterflies migrating south for the winter is a fascinating one - and it's one that's under threat.

Just over 9,000 monarchs were counted in California last winter, the second lowest ever since the annual count began in 1997 ...

The U.S. Fish and Wildlife Service is taking steps to list monarch butterflies as threatened species and designate seven ...

Monarch butterflies depend on human intervention to thrive in the wild, as highlighted by the traveling exhibit "Monarchs and ...

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in ...

The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in ...

On Thursday, invertebrate conservation group the Xerxes Society released the results of their 28th annual Western Monarch ...

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