Prosecutors alleged genetic material from the Marco Polo argali sheep (pictured) was used to breed the Montana Mountain King A farmer has been caught illegally breeding “massive” mutant sheep to sell ...

A Montana rancher has been sentenced to six months in prison after cloning a "near threatened" sheep from Asia and then selling its offspring to shooting preserves, according to court documents.

An 80-year-old man pleaded guilty on Tuesday to two felony wildlife crimes connected to his years-long efforts to create giant hybrid sheep using cloning and illegal insemination, federal prosecutors ...

Aliza Chasan is a Digital Content Producer for "60 Minutes" and CBSNews.com. She has previously written for outlets including PIX11 News, The New York Daily News, Inside Edition and DNAinfo. Aliza ...

LOOKING OUT over the rolling steppe surrounding the Khentii Mountains of northeast Mongolia, it’s easy to understand how its people once conquered the world. This is ideal horse country. Unspoiled ...

The Marco Polo argali sheep is the biggest sheep in the world. These creatures, native to Central Asia, can weigh up to 300 pounds, and they sport on their heads massive, heavy spiraling horns that ...

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. Department ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Please do not spend nearly a decade working to secretly clone ...

An 80-year-old Montana rancher pleaded guilty in federal court Tuesday for creating "giant hybrid sheep" he and his five co-conspirators would sell to hunting preserves for exorbitant prices, ...

Prosecutors said the Montanan illegally used tissue from a sheep from Central Asia and the testicles from a bighorn sheep to make large hybrids that he could sell at premium prices. By Alexandra E.

Readers of a certain age might remember Dolly, a Finn-Dorset sheep born in 1996 to three mothers and some proud Scottish scientists. Dolly generated global headlines just by being alive, as she was ...