Southern California residents were encouraged on Wednesday to report sightings of western monarch butterflies as part of an effort to help scientists track the species’ sharply declining population ...

Cooling weather and changing winds are helping monarch butterflies begin an extraordinary journey of up to 3,000 miles.

Every fall, monarchs travel thousands of miles from the northern U.S. and Canada to their overwintering grounds, passing ...

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 ...

Support monarch butterflies on their migration journey—and add some late-season color to your garden—with these pretty bloomers.

Dozens of monarchs are tagged on the move across Canada and parts of the northern U.S.

These California locations offer a magical look at monarch butterflies arriving and gathering for their winter stay along the coast.

Makayla Richardson is your community news reporter covering southern San Luis Obispo County, including Avila Beach, Pismo Beach, Grover Beach, Oceano, Arroyo Grande, and Nipomo. California ...

The number of monarch butterflies has dropped dramatically in the state of California. If something does not change, they could one day be listed as a species that is in danger of extinction. The ...

Scientists are hoping Californians will help paint a clearer picture of the state's monarch butterfly population. Ahead of California Biodiversity Day starting Saturday, the California State Parks ...

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 ...

Monarch butterflies return to California for the winter in November in Santa Cruz, California. The U.S. Fish and Wildlife Service is taking steps to list monarch butterflies as a threatened species ...