New research shows climate change may push monarch butterflies farther south and make their long migration harder in the ...

Every winter, a marvelous spectacle occurs as hundreds of thousands of butterflies travel south across Taiwan in one of the world’s most rare migrations.

In December of 2025, a Natural History Museum discovery write-up reported that researchers finally untangled a long-running identification problem involving neotropical hairstreak butterflies. A ...

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 ...