Climate warming reduces nectar quality in flowers, leaving migrating monarch butterflies with less energy to survive winter.

Monarch butterfly migration is a long journey. Learn how these amazing butterflies make the trip, where monarchs migrate to ...

Add Yahoo as a preferred source to see more of our stories on Google. Following the shorelines of the Great Lakes, monarch butterflies are gradually leaving Michigan as their instincts take them south ...

SAN DIEGO — U.S. Fish and Wildlife Service has proposed listing monarch butterflies as a threatened species and has considered some possibly contradictory ways to protect them, Nicholas Storer, vice ...

State legislators aren't all about partisan bickering. They banded together in a kumbaya moment to help Ohioans do their part to save monarch butterflies. The Ohio House unanimously passed a bill to ...

As temperatures rise slightly, late-season plants produce weaker nectar, showing that climate change can affect pollinators indirectly, by altering the resources they rely on rather than harming them ...