Monarch butterflies are booming on parts of the Canadian prairie, thanks in part to a wet and hot summer that's produced a ...

Monarchs traveled to a remote part of Mexico, a journey they've made for thousands of years, and wintered there. Now tens of ...

With the Project Monarch App, users can track their 3,000-mile-long migration.

The monarch butterfly population has seen a significant increase over the past two winters. Planting various milkweed species ...

The annual monarch butterfly migration is starting. Learn peak timing for North Texas, how to help by planting milkweed.

A new policy reversal will require any species added to the threatened species list to have a specialized protection plan.

It’s a sunny July afternoon, and Grayslake neighbors Annie Lawson and Heather Bauer are standing at the side of Lawson’s home, carefully going through her garden of milkweed plants. Lawson points at ...

Monarch butterfly migration is a long journey. Learn how these amazing butterflies make the trip, where monarchs migrate to and why.

Vann Newkirk, senior editor at The Atlantic, loves butterflies, especially monarch butterflies. He sat down with NPR's Juana Summers to dig into a trip to Mexico that helped him explore his passion.

The annual migration of monarch butterflies is one of science's great mysteries: millions of monarchs know the correct path ...

The Western monarch population has plunged more than 95% since the 1980s, and has a more than 99% chance of extinction by 2080. Western monarchs primarily spend winters along the California coast.

The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in California this winter, a foreboding sign for the future of the beloved ...