How long do monarch butterflies live? Learn about monarch butterfly generations and their lifespan while migrating across North America and how you can help protect their journey When most people ...

Learn which monarch butterfly predators and parasites pose a real threat to their survival, and which are part of the natural ...

There’s only one host plant for a monarch butterfly—milkweed! Choose native varieties for your area such as common milkweed, butterfly weed, swamp milkweed and showy milkweed. Create a monarch haven ...

MADISON, Wis. (AP) — 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 ...

The survey kicks off July 1 and goes through Aug. 15. Volunteer community scientists will need to check their sites 1-3 times ...

California is attempting to bring back monarch butterflies with a new project that aims to restore their habitats. In the past 30 years, the monarch butterfly population in California has declined by ...

Amid the eucalyptus groves at Natural Bridges State Beach in Santa Cruz, local bug enthusiast Sasha Hernandez squinted through the draping green leaves, searching for flashes of black and orange — the ...

After flying some 3,000 miles from the northern U.S. and Canada to a remote forest in Central Mexico for the winter, tens of millions of monarch butterflies are making their way back north. These are ...

The beloved butterflies had fallen to critical levels in recent years. Experts weigh in on what might be causing their remarkable return. On a cold November morning in California, a photographer holds ...

Climate change has been the biggest cause of the precipitous decline of the monarch butterfly (Danaus plexippus) in North America in recent years, say researchers who fear parts of its breeding range ...

Amid the eucalyptus groves at Natural Bridges State Beach in Santa Cruz, local bug enthusiast Sasha Hernandez squinted through the draping green leaves, searching for flashes of black and orange — the ...