A cloned ox that gestated in the womb of a cow in a scientific first died of an ordinary disease this week, two days after it was born, scientists said Friday. Scientists claimed bittersweet victory ...

Bessie, an ordinary cow on an Iowa farm, is pregnant. But she’s not having a cow. Developing inside her uterus is an endangered species called an Asian gaur, a heavily muscled, humpbacked, oxlike ...