The mass mortality event of monarch butterflies in California yet again shows how pesticides threaten pollinators and ...

To improve conditions, park staff have increased plantations of nectar-rich and host plants like curry leaves and lemon trees.

Monarch butterflies are noxious to potential predators because of the cardenolide toxins lacing their bodies, courtesy of the milkweed plants they fed on as larvae. Viceroy butterflies have no such ...

One Reddit user shared the exciting results of their effort to create the ideal habitat for a monarch butterfly caterpillar.

The migrating Monarchs are having a better year — and Florida's gorgeous Atala butterfly is finding succor in Lakeland.