A Montana man... This undated handout photo shows a ... and five others who illegally imported tissue from a Marco Polo sheep into the U.S. They intended to clone the animal and use the clones ...

An 81-year-old Montana man was sentenced Monday to six months ... people conspired to use tissue from a Marco Polo sheep illegally brought into the U.S. to clone that animal and then use the ...

Readers of a certain age might remember Dolly, a Finn-Dorset sheep born in 1996 to three mothers ... which is then injected into an unfertilized egg cell that has had its existing genetic material ...

An 81-year-old Montana man is expected to be sentenced for using tissue and testicles from large sheep hunted in Central Asia ...

An 81-year-old Montana man was sentenced Monday to six months ... people conspired to use tissue from a Marco Polo sheep illegally brought into the U.S. to clone that animal and then use the ...

An 81-year-old Montana man was sentenced Monday to six months in federal prison for illegally using tissue and testicles from ...

A Montana man found guilty of illegally cloning ... other people conspired to use tissue from a Marco Polo sheep illegally brought into the US to clone that animal and then breed it to create ...

A scheme to illegally produce giant sheep from a cloned animal has been uncovered in the US. Plus, get tips on how to manage nerves when presenting a poster.