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

Add Yahoo as a preferred source to see more of our stories on Google. Extreme heat, one of many symptoms of climate change, is making monarch butterflies vulnerable to parasites, according to a ...

Learn facts about the monarch butterfly, including how how to tell male and female monarchs apart and if monarchs are ...

Every year, millions of Methuselah or super generation monarchs overwinter in the oyamel fir forests of Central Mexico after a 3,000-mile journey from Canada. Then in spring, they start the whole ...