Geneticists are waiting for the birth of a cloned gaur, an endangered wild ox from southern India. Read about their research.

George W. Bush criticized the cloning of human embryos on November 26, 2001, saying it was "morally wrong" and "bad public policy."

Clones produced from the frozen ear cells of a Japanese bull demonstrate that cells do not become too stale to duplicate.

Scientists say Dolly, the world's first cloned sheep, has arthritis at a relatively young age. They did not say if the condition was a result of cloning.

Group of fertility experts outlined the specifics of their plan to clone human beings and impregnate about 200 women.

Read a profile of the company that successfully created human embryos through cloning, and hear from its president, Michael West.

Creators of Dolly, the first cloned mammal, have a deal to breed chickens that will produce life-saving medicines in their eggs.

Congress began hearings into the possibility of cloning humans. Find out what was said, and discuss it on a message board.

United States House of Representatives voted to ban all human cloning, including that which is done only for research.

CNN reports that Clonaid, a lab operated outside the US, is striving to create a human clone and has already created cloned human embryos.

By splitting an early-stage embryo and implanting the pieces into mothers, researchers have cloned a rhesus macaque monkey named Tetra.

Group of reproductive specialists plans to clone humans to help 200 infertile couples attempt to have a baby.

Group of American and Italian fertility experts has announced plans to clone a human being for the first time.

Political and religious pundits from around the world have largely condemned an American company's announcement that it had created human embryos through cloning.