After flying some 3,000 miles from the northern U.S. and Canada to a remote forest in Central Mexico for the winter, tens of millions of monarch butterflies are making their way back north. These are ...

For the first time in California, citizen scientists can join the effort to track monarch butterflies thanks to Blu+, a new ...

FILE - A Monarch butterfly rests near a stream at Piedra Herrada sanctuary in the mountains near Valle de Bravo, Mexico, Jan. 4, 2023. (AP Photo/Marco Ugarte, File) MEXICO CITY (AP) — The number of ...

Logging threatens existence of one of the greatest wonders of the world. CONTEPEC, Mexico, Feb. 18, 2009— -- When the sun comes out in the mountains of central Mexico, hundreds of millions of ...

MEXICO CITY, Mexico — 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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. MEXICO CITY (AP) — The number of monarch ...