Cooling weather and changing winds are helping monarch butterflies begin an extraordinary journey of up to 3,000 miles.

An orange-and-black wave is moving south across North America as monarch butterflies embark on one of nature's most remarkable migrations.

Add Yahoo as a preferred source to see more of our stories on Google. A monarch butterfly enjoys the flowers at the Tom Ridge and Julian Wetlands in this file photo. Cooler temperatures and shorter ...

Monarchs are the only butterfly species known for two-way migrations. Here's when North Carolina's migrating monarchs are ...

Monarch butterflies are at the beginning of an incredibly long migration south to overwinter. Here's where you could see them.

Millions of monarch butterflies are migrating south. Here's why Florida is an important stop along the journey, and what you can do to help.

Millions of monarch butterflies from across North America will begin their journey southward in search of a warmer winter climate. However, monarch butterflies face several threats, including humans, ...

Monarch butterflies are amazing butterflies! The monarch butterfly is unique in its two-way migration pattern, traveling both north and south to spend the winter in warmer climates. One of the places ...

Monarchs are being digitally tracked in the region for the first time. The journey could reveal long-held mysteries about the insects’ migration patterns. A monarch butterfly is fitted with a ...

For the first time, Nature NB deployed new Bluetooth-enabled tags on monarch butterflies in New Brunswick this year, allowing anyone with a smartphone to help track their journey to Mexico in real ...

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 ...