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 ...

A few weeks ago, I claimed that cloning was small moral peanuts in comparison to our neglectful treatment of nonhuman organisms and future generations in environmental issues such as global climate ...

President Bush appeals to Congress to outlaw human cloning after scientists reported they had created the first cloned human embryo.

AUSTIN -- A debate over when life begins for a clone is brewing in the background of a bill passed Thursday by the Texas Senate to ban the cloning of human beings. Scientists have said the cloning ...