Monarch butterflies from the western United States have arrived in Santa Cruz and other parts of the California Coast, clumping in the thousands on branches of Monterey pine, coastal redwoods and ...

Scientists used tiny new sensors to follow the insects on journeys that take thousands of miles to their winter colonies in Mexico.

Ultra-light tracking tags are being deployed for the first time locally on Western Monarch butterflies to monitor how and where ...

Monarch butterflies migrate to California each fall to escape cold weather and cluster in coastal groves from October to February. Key viewing spots include Natural Bridges in Santa Cruz, Pismo State ...

At Texas A&M, scientists are studying how geography, wind and roadside habitat shape monarch butterfly journeys. The routes ...

The Moon’s Cheshire-cat Smile Returns to the evening sky Tuesday evening, November 25. You’ll spot its very thin crescent ...

President Donald Trump’s administration is moving to roll back protections for imperiled species and the places they live.

Cole & Jay share the joy of raising and releasing hundreds of monarch butterflies.

For immigrants, particularly those Latin America, the monarch butterfly has become a powerful symbol of hope for those who have undertaken their own journeys.

Some California cities have oddly specific rules, here are some of the weirdest the state has written into law.

Experts warn the Administration's proposed changes to the 1973 law could put endangered species in deeper jeopardy.