UC Master Gardeners helped transform a neglected site by a freeway offramp in Atascadero into a rest stop for migrating monarch butterflies.

Monarch butterfly numbers are flying higher, but they still have many miles to go. According to a pair of 2025-2026 reports from the World Wildlife Fund and partners, the population of eastern monarch ...

An annual count of monarch butterflies conducted by the United States and Mexico as the insects migrate back and forth over ...

Two new reports estimate a 64% increase in species population and a significant decrease in forest degradation in the butterfly's winter home ...

It takes more than flower nectar to attract butterflies to your garden. Learn the truth about common butterfly host plant ...

Mexico's monarch butterfly population jumped 64% in 2026, offering hope even as experts warn the species remains at risk of ...

A census shows more butterflies in the U.K. this year, but scientists warn that the long-term decline continues.

Monarch season starts in earnest in the United States during the month of March, even though the whole migration doesn’t necessarily appear all at once. However, butterflies arriving from Mexico find ...

The Oklahoma Monarch Society said recent data shows the population of eastern monarch butterflies has increased for the ...

A key monarch butterfly population is showing signs of improvement this year, but scientists warn the species remains in long ...