Scientists are tracking monarch butterfly migration patterns using new technology and a public tracking app.

Project Monarch combines miniature solar-powered radio tags and smartphone detections to trace monarch butterflies across ...

Monarch butterflies are migrating through Texas. Tiny rice-sized transmitters will show you where they're at.

A monarch butterfly sports a new solar-powered tracking tag. Unlike traditional sticker tags, these devices allow scientists ...

Fall migration is well underway, and Project Monarch, an app fed by volunteers, scientists and dozens of environmental groups across North America tracks individual butterflies via tiny, lightweight ...

Every fall, monarch butterflies fuel up on nectar from Iowa's fall-blooming wildflowers before embarking on an extraordinary migration from North America to Mexico. But the pathways they take and how ...

The project relies on tiny tracking devices weighing about 60 milligram, that are attached to monarch butterflies.

Monarch butterflies are being digitally tracked in the region for the first time. The journey could reveal long-held ...

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Monarch butterflies undergo a huge migration every year. Now, there's new technology to track them from your phone for citizen science.