when the Kentucky Derby shines a global spotlight on equine athleticism. It's the subject of a growing body of research that cites a constellation of characteristics: big hearts, immense lung ...

when the Kentucky Derby shines a global spotlight on equine athleticism. It’s the subject of a growing body of research that cites a constellation of characteristics: big hearts, immense lung ...

The whole world will have the chance to see horses in action here Saturday, when the Kentucky Derby shines a global spotlight on equine athleticism. It’s the subject of a growing body of research that ...

LOUISVILLE, Ky. (AP) — On a crisp, clear morning, a chestnut thoroughbred thundered down the dirt strip at Churchill Downs, his exercise rider leaning forward above the saddle. Other horse-and ...