The Endangered Species Act is no help yet.

Monarch butterflies have always been remarkably resilient. Every fall, these delicate orange-and-black travelers set out on a journey so improbable it borders on myth, flying some three thousand ...

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

In a new study, University of Georgia scientists found hotter temperatures make monarch butterflies more vulnerable to ...

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

The hotter conditions produced more potent toxins in the milkweed. But the researchers said that surprisingly, the parasitic ...

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

Pacific Grove is known as ‘Butterfly Town USA’ for its role as an overwintering spot. As the insect’s population plummets, residents are coming to its rescue ...

It is now the late season for butterflies in Goleta groves, and the picture is dismal. Only two butterflies were recorded in ...

Mid-season surveys have turned up roughly 8,000 monarchs across the western range, based on figures compiled by count ...

PACIFIC GROVE — Pacific Grove is an idyllic place to go for rest and relaxation. West Coast Monarch butterflies would agree.

With a 90% decline in the monarch butterfly population in just the last few decades, Hillsborough Township is doing their part in efforts to essentially “save the monarch butterfly.” Hillsborough ...