The widespread use of pesticides, such as Roundup, has killed off milkweed plants, a crucial food source for monarchs.

Monarch butterflies are unique in their migration patterns. Eastern monarchs travel between Mexico and the U.S., spending ...

Much of California’s Habitat for the migratory Monarch butterfly is gone. Wild fires have decimated groves of trees and plants where the Western Monarch winters. The typical flight plan of the Monarch ...

Monarchs are among the most recognizable and best loved butterflies in North America, but you might have noticed fewer of them over the last few years. Given the less frequent sightings, you might’ve ...

Millions of monarch butterflies are expected to migrate to New York this spring, creating a stunning display of color. Spring in New York is one of the most beautiful times of the year. The sound of ...

MADISON, Wisconsin — 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 ...

For the past three years, more than 200,000 western monarch butterflies spent their winters along the California coast — huddling together in tall tree groves, finding respite from the wind from ...

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 ...

FILE - Monarch butterflies from Canada stop to rest in Wendy Park on their way to Mexico, Sept. 12, 2023, in Cleveland. (AP Photo/Sue Ogrocki, File) MADISON, Wis. (AP) — The number of monarch ...

The natural phenomenon of the iconic monarch butterflies migrating south for the winter is a fascinating one - and it's one ...

The U.S.' monarch butterfly population dropped 96% between 2023 and 2024, almost a 30-year low. Here's how you can help. Philadelphia Eagles Throttle Kansas City Chiefs to Win Super Bowl 2025 Lady ...