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 ...

A daring surgical procedure has given a doomed monarch butterfly a new lease of life. The delicate operation was captured on ...

The monarch butterflies are making a comeback. For decades, the monarch butterfly population has been declining. Their winter ...

In this week's Science for All newsletter, Divya Gandhi explains how milkweed is a toxic treat for monarch butterflies ...

Butterflies are often seen as harmless symbols of beauty, but some species are anything but defenseless. In fact, certain ...