The magnetic compass is the last unknown sense in migrating animals. For some scientists, the monarch butterfly is leading ...

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate change ...

Whether you’re a butterfly fanatic or simply interested in nature, the monarch butterfly is worth a study. Beautiful and serene, monarch butterflies have a unique lifespan. But how long do monarch ...

This is an updated version of a story first published on April 20, 2025. The original video can be viewed here. Earlier this year we reported on one of the most remarkable and mysterious migrations in ...

Arkansas is a great place to spot monarch butterflies as it falls directly in their migration path! While monarch butterflies travel through Arkansas in both the spring (late March to April) and the ...

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 ...

Professor Elizabeth Crone, Department of Evolution and Ecology, checks a non-native milkweed in the San Francisco Bay Area for monarch butterfly eggs and caterpillars. Known for long-distance ...

As millions of monarch butterflies make their way from Canada to Mexico this fall, you’ll have the chance to see some of these spectacular insects along the Alabama coast. Several groups in Baldwin ...

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 ...