One of the creators of the world's first cloned mammal, Dolly the sheep, has died at the age of 79. Prof Sir Ian Wilmut's work, at the Roslin Institute in Edinburgh, laid the foundations for stem ...

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 ...

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 ...

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 ...

For dog lovers, the idea of cloning a beloved pet has long been the stuff of science fiction. But thanks to incredible ...

How is it that your body with all of its specialized organs developed from a single cell? Scientists are exploring how gene expression patterns and their timing regulate cell differentiation.

On Tuesday scientists told the world that four clones of Dolly the sheep, known as the Nottingham Dollies, are alive and in good health. In fact, they're almost indistinguishable from non-cloned ...

The company that created Dolly the sheep is closing part of its cloning business to focus on more profitable markets, it emerged today. PPL Therapeutics has decided to shut down its stem cell ...