The biologists studied free-flying butterflies, and in their aerodynamic analysis, found the creatures’ wings form a cupped shape during the upstroke and “clap,” thrusting the butterfly forward.

The Mourning Cloak Butterfly (Nymphalis antiopoa ) is one of the earliest (and the latest) flying butterflies in its native range, which spans widely across temperate North America and Eurasia. These ...

Butterflies' flight trajectories often appear random or chaotic, and compared with other hovering insects, their bodies follow seemingly mysterious, jagged, jerking motions. These unique hovering ...

Grand Rapids ‘Butterflies Are Blooming’ exhibit bringing thousands of flying insects to Meijer Gardens . Published: ; Feb. 02, 2023, 12:38 p.m.