A Montana rancher bred hybrid sheep using endangered species genes for profit. This violated wildlife laws, risking local ...

Federal prosecutors said creating hybrid animals is "unnatural," yet the practice is common in the game industry.

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 ...

The death of Dolly the sheep, the first animal to be cloned from an adult cell, has sparked renewed fears over the safety of cloning techniques. The Roslin Institute announced the decision was ...

Pet cloning has becoming big business in the US, with Barbra Streisand and Paris Hilton among its early adopters. Yet cloning ...

A UK-based clinic, Gemini Genetics, is offering pet owners the chance to clone their beloved animals, using DNA to create ...

Concerns that Dolly the cloned sheep suffered from early-onset arthritis were unfounded, a study suggests. In fact, wear-and-tear in her joints was similar to that of other sheep of her age ...

Dolly the sheep was the world’s first cloned mammal in 1996. Her death at a comparatively young age raised concerns that cloned animals may age more quickly, or make them less healthy ...