This year’s count of 4.42 acres of occupied forest habitat is nearly twice as large as last year's, but eastern monarch ...

Butterfly milkweed has lots of ornamental appeal. This adaptable milkweed is hardy in many zones and was named the 2017 ...

A Pennsylvania butterfly farmer says listing the monarch as a threatened species could do more harm than good.

Just as monarchs famously prefer milkweed for food and egg-laying, swallowtail butterflies also have a preferred food as ...

Homeowners in West Michigan can help give the butterflies a place to eat and lay eggs by being intentional about what they ...

The population wintering in central Mexico's forests occupied 4.42 acres, up from 2.22 acres during the previous winter.

A network of advocates is doing everything they can to mitigate the dangers and unravel mysteries about monarch movements and ...