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

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

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

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

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

Monarch butterfly on a person's finger - Matt Champlin/Getty Images Monarch butterflies (Danaus plexippus) have long captivated humans due to their fascinating life cycles and physical characteristics ...

Monarch butterflies from the western United States have arrived in Santa Cruz and other parts of the California Coast, ...

Biologists have attached tiny trackers to five of Goleta’s beloved monarch butterflies to track behavior, for the first time ever along the Central ...

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 ...

It’s a sunny July afternoon, and Grayslake neighbors Annie Lawson and Heather Bauer are standing at the side of Lawson’s home, carefully going through her garden of milkweed plants. Lawson points at ...

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

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 ...