Kelly Eden, a model and artist, started raising monarch butterflies last year. This summer, she released 10 healthy monarchs from her Los Angeles garden. But last month, two butterflies emerged from ...

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.

WASHINGTON, May 13, 2025 – Butterflies’ flight trajectories often appear random or chaotic, and compared with other hovering insects, their bodies follow seemingly mysterious, jagged, jerking motions.