Each year, millions of monarch butterflies travel thousands of miles across North America to escape the cold and find ...

This video depicts a tethered monarch butterfly in the flight simulator ... it quickly corrects its bearing to continue on a migratory flight path. Disclaimer: AAAS and EurekAlert!

Monarch butterflies are important culturally and ecologically across North America. Generations have watched in wonder as yellow-and-black striped caterpillars fold into green-and-gold chrysalises and ...

The iconic monarch butterfly is declining across North America. You can help make a difference by providing the species with ...

The number of monarch butterflies spending the winter in the western United States dropped dramatically this year even as federal officials move to extend protections for the beloved pollinator ...

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 ...

Dramatic Drop in Monarch Butterfly Count Nears Record 30-Year Low MADISON, Wis. (AP) — The number of monarch butterflies spending the winter in the western United States has dropped to its ...

After bottoming out at 1,901 butterflies in 2020, the population rebounded to 247,246 insects the following year, an increase of nearly 13,000%. The year after that the survey recorded 335,479 ...