An international collaboration to track individual monarchs kicked off this fall, including James Madison University.

For the first time in California, citizen scientists can join the effort to track monarch butterflies thanks to Blu+, a new ...

Van der Heide got her start at Cal Poly, tagging monarchs by numbering their wings in Sharpie and trying to find them later ...

The tags weigh just 60 milligrams — about three grains of rice. Researchers have tagged more than 400 monarchs this year and ...

Four community-based enterprises in Mexico's Monarch Butterfly Biosphere Reserve are seeking to reach the global market. By ...

Last season, 60 Minutes witnessed the migration of monarch butterflies. Scientists are now using tiny, solar-powered radio ...

Students at K.O. Knudson Middle School have successfully convinced Las Vegas Mayor Shelley Berkley to sign the Mayor's ...

By Claudia Steiner The monarch butterfly (Danaus plexippus) population has plummeted by 80% to 95% since the 1990s, depending ...

Wearing dark sunglasses, long sleeves and a wide-brimmed hat, Florida retiree Linda Cooper came prepared to gaze at butterflies in 90-degree weather Thursday ...

Protecting Monarchs - Texas makes progress with steps to keep Monarch butterflies from being killed by cars during migration ...

The monarch butterfly is Illinois' state insect and has held that distinction for 50 years — having been suggested for the honor by third grade classes in Decatur in 1975. But the butterfly is also in ...

If you've always wanted to curate your own monarch butterfly garden but have been unsure of where to start or how to snag supplies without breaking the bank, we've got some good news for you. You ...