Thanks to tiny new trackers and Bluetooth, scientists—and you—can now follow the epic journeys of individual butterflies.

A monarch butterfly carrying a tiny tag developed by Cellular Tracking Technologies at the Cape May Point Arts and Science Center in Cape May Point, N.J., Nov. 12, 2025. Scientists used tiny new ...

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 ...

The little critters are supposed to be starting their epic 3,000-mile journey to central Mexico. But, one organization said, they’re nowhere to be found. CONCORD, N.H. — Brett Amy Thelen was supposed ...

Monarch butterflies make one of the most extraordinary migrations in the natural world, often traveling thousands of miles across North America. Now, scientists are using new tracking technology to ...

Scientists are putting backpacks on butterflies at Ellwood Mesa. These “backpacks” are brand new, solar-powered radio tags that weigh about as much as a few grains of rice. For the first time ever, ...

FARGO — Families had a chance to learn about monarch butterflies on Wednesday night, Aug. 20, as they began their migration. Urban Plains Park hosted a monarch butterfly tagging event Wednesday.

Imagine going on a trip that’s thousands of miles long and flying the entire way! That’s what monarch butterflies do every year in one of the animal kingdom’s most epic journeys. But how exactly do ...

For the first time, scientists are tracking the migration of monarch butterflies across much of North America, actively monitoring individual insects on journeys from as far away as Ontario all the ...

For the first time, scientists are tracking the migration of monarch butterflies across much of North America, actively monitoring individual insects on journeys from as far away as Ontario all the ...