What makes this feat even more remarkable is that no single monarch completes the entire round trip. The journey spans multiple generations, with each generation flying a portion of the route before ...

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

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 ...

These flying hellions resemble pterodactyls with ... horrific sight for the cast to come across in season 2 of Monarch: Legacy of Monsters.

Fewer-than-usual monarch butterflies migrated through San Luis Obispo County this winter, according to data from the conservation-focused nonprofit the Xerces Society. “It feels like a punch to ...

A winter count of visiting monarch butterflies found a steep drop from previous years, which has scientists worried about the ...