Celsius Ent. has acquired sales rights to “Butterfly Stroke,” starring two-time Oscar nominee Judy Davis and “Bridgerton” ...

The most powerful and physically demanding stroke, the butterfly, involves simultaneous overhead swinging of the arms combined with a dolphin kick. The dolphin kick involves both legs moving up and ...

Mark Spitz nearly mastered swimming's most difficult stroke, the butterfly. Fulfilling all the pre-Olympic hype, he won four individual events -- in the 100- and 200-meter freestyle and 100- and ...