Scientists used tiny new sensors to follow the insects on journeys that take thousands of miles to their winter colonies in Mexico. A monarch butterfly carrying a tiny tag developed by Cellular ...

Each fall, millions of monarch butterflies fly across Texas skies on their 3,000-mile journey to the mountains of central Mexico. The state's position in the center of the migratory route makes it ...

Monarch butterflies (Danaus plexippus) have long been known for their impressive migration abilities, with North American species traveling around 3,000 miles from the United States and Canada into ...