In the event final, Walsh became the first woman ever to swim the event in under 55 seconds, setting the world record at 54.60. After her historic swim in the 100 butterfly, Walsh closed the meet ...

Gretchen Walsh improved on her own American record and became the second fastest woman to swim the 50 metre butterfly after ...

Discovered in 1988 in Hyogo Prefecture, the imprint of a large butterfly wing and body is now confirmed to belong to an extinct species that’s new to science, according to a May 2 study ...

The Pioneer Woman has always had an affinity for butterflies ... psyche (which means "soul" or "butterfly") is often depicted with butterfly wings. Butterflies are thus connected to the soul ...

Madison Kuhle, 5, Lawrence, poses as a butterfly for her father at the Monarch Watch open house Saturday at Foley Hall on Kansas University's campus. Maxx Marshall, 4, Lawrence, gets an up-close ...