Montana rancher Arthur "Jack" Schubarth, 81, succeeded in cloning a wild Marco Polo argali sheep, the world's largest ovine species. That achievement cost him six months in jail. The U.S ...

Cloning animals is a difficult subject because while the science has developed to the point where it is possible, the ethical and biological issues have not yet been fully worked through.

A Montana man pleaded guilty on Tuesday to two felony wildlife crimes that each carry a maximum of five years in prison and a fine of up to $250,000, ABC reported on Thursday. His crime: a seven ...

A Montana rancher illegally used tissue ... s largest species of the animals — Marco Polo argali sheep — Schubarth procured cloned embryos of the animal from a lab, according to court documents.