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 ...

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 ...

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 ...

If you’ve ever wondered why some animals like butterflies, birds, and beetles shimmer in the light and change from one iridescent color to the next, it’s because they don’t rely on pigments as most of ...

More jobs, more recreational opportunities and new tourism infrastructure for Southern Nevada could be blown away by the butterfly effect. Part of chaos theory holds that an event as seemingly ...

It's poetic, the notion that the flap of a butterfly's wing in Brazil can set off a cascade of atmospheric events that, weeks later, spurs the formation of a tornado in Texas. This so-called ...