Hoof care is one of the most important elements of keeping a horse sound and well, from the moment they are a newborn all the way through to their twilight years, as those hooves go through a lot.

But substantial ethical questions remain. Genetically modified, newborn Yucatán piglets in their enclosure at the E-Genesis lab in Wisconsin, where they are raised for research in human organ ...

Heidi the Hartmann's mountain zebra gave birth to her foal on May 17 in ... The healthy newborn weighed 65 pounds at birth and was upon his hooves minutes after entering the world.