She was a media sensation in the late 1990s, but not much has been mentioned about Dolly, the first cloned sheep.

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 ...

The oldest rhinoceros in the United States has died at the zoo in Knoxville, Tennessee. Dolly was 56 years old.

Twenty-four years after Dolly the sheep — the first mammal to ever be successfully cloned from an adult cell — was born in Scotland, business is booming for pet cloning in the United States.

The study by Professor Ian Wilmut, leader of the team that cloned Dolly the Sheep, suggests the animals are all genetically or physically abnormal, even if they appear healthy. Problems that have ...

KNOXVILLE, Tenn. ( WVLT /Gray News) - Dolly, the oldest rhinoceros in the United States, has died at the age of 56. Officials ...