Once caught, before their migration south to Mexico, the monarch butterflies are tagged with tiny, white serialized plastic stickers that are placed on the monarchs' wings – which are recovered from ...

NORFOLK, Va. — The Virginia Zoo in Norfolk is working on a special project that entails putting stickers on eastern monarchs to learn new things about the butterflies. There are two main thoroughfares ...

A fleeting blur of black and orange fluttered past Jenny Welch. Beside a sign labeled “monarch waystation,” the 62-year-old volunteer mingled with guests looking to purchase native Florida plants, ...

A University of Miami biologist and a Princeton University researcher are among the first to utilize tiny sensors that allow ...

Even when the weather blows them off course, tagging has shown that many butterflies can get back on track and keep heading south. After migrating, they overwinter in cool, moist places, resting to ...

As July sunlight pokes through the trees, a butterfly egg rests gently in Wojciech Poreba’s palm as he sifts through milkweed leaves at Hamlet Park in Cottage Grove. At age 25, Poreba has four years ...