Every year, monarch butterflies' journey from Canada to Mexico includes a stop at Peninsula Point in Delta County.

For thousands of years, millions of monarch butterflies have migrated from the northern U.S. and Canada to Mexico for the winter. But exactly how they know where to go is still a mystery.

Luzia,” Cirque du Soleil’s imaginative journey to Mexico debuts in Fairfax County this weekend. Here’s a sneak peak of the ...

The population of monarch butterflies in the Mexican forests where they spend the winter fell to the second-lowest figure on record this season, offering a grim snapshot of the already endangered ...

The level at which migratory monarch butterflies are wintering in Mexico has reached its second-lowest level since recordkeeping began following a 59% drop over last year.

The number of monarch butterflies wintering in the mountains west of Mexico City rebounded this year, doubling the area they covered in 2024 despite the stresses of climate change and habitat loss ...

The number of monarch butterflies wintering in the mountains west of Mexico City, rebounded this year, doubling the area they covered in 2024 despite the stresses of climate change.