Like a floating exclamation point, a brushstroke on the breeze, a butterfly dances by us, eager to move onto the next bit of milkweed, or flowery front yard, or lush neighborhood. Stream Los Angeles ...

Add Yahoo as a preferred source to see more of our stories on Google. A monarch butterfly (Dannaux plexippus) flaps its wings in Piedra Herrada Sanctuary, Mexico. Might this start a chain of events ...

Butterfly flight is a complex phenomenon in which the flow of air generated by the flapping of wings and the movement of the butterflies themselves are intricately intertwined. Many elements of ...

Dressed as a life-sized butterfly, Kaiden Potter was spotted flapping his wings inside the Virginia Aquarium & Marine Science Center. The 3-year-old wore brightly colored Monarch wings while migrating ...

Remember the butterfly effect? It was a popular summary of chaos theory suggesting a butterfly flapping its wings in the Amazon could cause a tornado in Texas. Right now, a version of this is making ...