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

Sporting an emerald-green morph suit and carrying a suitcase overflowing with colorful costumes and props, Beth Osnes certainly turned heads as she walked into the Colorado Public Radio newsroom.

Butterfly counts and flowering times shift earlier in warmer, low-snow years. Volunteers now lead Mt. Rainier surveys after federal research funding ended. Butterflies serve as effective indicators of ...

Butterfly populations have dropped by 22% in the United States, according to a new study published Thursday in the journal ...