Monarch butterflies complete an annual migration that is thousands of miles long. How do they do it, and when does it take ...

Butterflies' flight trajectories often appear random or chaotic, but their hovering patterns can potentially provide critical design insights for developing micro aerial vehicles with flapping wings.

THIS STORY ORIGINALLY appeared on WIRED Italia and has been translated from Italian. The dozen butterflies were flying gracefully over a beach in French Guiana when Gerard Talavera spotted them. It ...

There’s only one host plant for a monarch butterfly—milkweed! Choose native varieties for your area such as common milkweed, butterfly weed, swamp milkweed and showy milkweed. Create a monarch haven ...