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

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 ...

The monarch butterfly, Texas' official state insect, is in the middle of its 2,200 mile migration from Canada to Mexico — and you may be just in time to witness the remarkable journey. When is peak ...

Monarch butterflies are returning to Michigan for the summer after migrating from Mexico. Michiganders can support monarch butterflies by planting milkweed, tracking sightings, and donating to ...

If it feels like there are fewer bugs now than there were decades ago, it’s not just nostalgia. Scientists estimate that, due to factors such as pesticide use, habitat loss, and climate change, as ...

After years of worry about declining populations, monarch butterflies could be making a comeback across North America. The year started out well for the eastern monarchs. The NRDC cites a count of ...

Every year, for millions of years, a huge number of painted lady butterflies have migrated thousands of miles across Europe, the Middle East and Africa. Though they've been a common sight throughout ...

NEW YORK — The New York State Department of Environmental Conservation is encouraging wildlife enthusiasts to help Monarch butterflies on their yearly flight south to warmer climates. In New York, ...

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

We have conducted a number of monarch butterfly and milkweed classes over the last three years. The classes hosted over 450 attendees and distributed 900 milkweed seeded containers to gardeners in the ...

Monarch butterflies have begun fluttering across Michigan after a migration that began in Mexico. The brightly colored insects have been reported in southeast Michigan, migration watchers say.