The Association of American Universities issued a statement Wednesday supporting the use of cloning technologies for stem-cell research, a position opposed by President Bush and many in Congress. But ...

We made three attempts to capture a jaguar after arriving at Fazenda Bodoquena in Miranda, Mato Grosso do Sul state, on a ...

While duplicating Fido isn’t quite the ethical minefield that duplicating Uncle Fred would be, it does raise questions on ...

"Therapeutic cloning" techniques may soon become a thing of the past after their foremost inventor has decided an alternative method of developing embryonic stem cells is more promising. Edinburgh ...

WASHINGTON - Cloning humans, or any other primates, may be impossible with today's techniques because of a fundamental molecular obstacle, say scientists trying to understand why attempts to clone ...

LONDON — Ian Wilmut, the cloning pioneer whose work was critical to the creation of Dolly the Sheep in 1996, has died at age 79. The University of Edinburgh in Scotland said Wilmut died Sunday after a ...

Scientists announced the first successful cloning of a U.S. endangered species: a black-footed ferret. The animal, named Elizabeth Ann, was born Dec. 10 and announced Thursday. Willa, the ferret who ...

Some of the objections to human cloning are virtual copies of arguments made against in vitro fertilization a quarter century ago, says Robin Marantz Henig, an author who writes about genetics and ...