The Western Monarch Count is underway, a community science project that aims to understand population changes for the orange ...

The magnetic compass is the last unknown sense in migrating animals. For some scientists, the monarch butterfly is leading ...

Monarch butterflies may hold the key to one of biology's biggest unsolved puzzles: how animals tap into Earth's magnetic ...

Editor’s Note: Nature Notes is a weekly column provided by Gulf Coast Bird Observatory ...

In recent years, the number of monarch butterflies has been declining, and researchers don’t know the exact cause.

The monarch butterfly, an unmistakable sign of spring, is now considered an endangered species at risk of extinction. The International Union for Conservation added the monarch butterfly to its Red ...

The number of monarch butterflies in California is in sharp decline this year, and biologists say record-high late summer temperatures and drought in the west likely contributed to the dropoff. The ...

For the first time in California, citizen scientists can join the effort to track monarch butterflies thanks to Blu+, a new ...

For a second straight year, a low number of monarch butterflies have been counted at the popular Pismo State Beach Butterfly ...

A massive new public art installation inspired by the monarch butterfly is now complete at the base of downtown’s newest ...

The monarch butterfly fluttered a step closer to extinction Thursday, as scientists put the iconic orange-and-black insect on the endangered list because of its fast dwindling numbers. "It’s just a ...