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 ...

Chaos theorists have suggested that a butterfly flapping its wings in Brazil might cause a tornado in Texas. Well, we can’t say for sure if the same goes for paper butterflies, but there will be ...

You’ve probably heard of the butterfly effect, the idea that a tornado can be formed by a minor perturbation such as a butterfly flapping its wings a mile away. Every action has a consequence, for ...