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 ...

The butterfly effect is this idea that a single butterfly flapping its wings on one side of the globe can, in theory, start a hurricane on the other. It's a physics concept, but Rosati wondered if it ...

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 ...