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.

Conservationists say solutions to save the monarch butterfly population range from planting a single backyard milkweed to ...

Monarch butterflies will soon pass through Oklahoma on their annual journey south to Mexico, but experts warn their numbers are steadily declining. Each fall, the vibrant orange-and-black butterflies ...