Climate warming can impact plant quality, which in turn shapes the nutrition and immune defense of insect herbivores like monarch butterflies.

I struggled to catch my breath, but it had nothing to do with the 10,000-foot altitude. All around me, millions of monarch ...

Our neighbor Mary has a small patch of milkweed behind her potting shed. It’s shaded by a young sassafras tree, and some Japanese stilt grass is pushing its way in as well. We use neighbor John and ...

They’re a brilliant orange sight by the millions as the season changes and we’re not talking about the leaves. This week is all about monarch butterflies. * The story goes that the “monarch” part ...

California's wildlife conservation societies are urging people to come forward to help save these iconic pollinator species.

A monarch butterfly was fluttering inside a large net while Larry Hoffman tried to gently grab hold of its wings. Hoffman, 77, grabbed the butterfly’s body, turned it over in his hands and placed a ...