Add Yahoo as a preferred source to see more of our stories on Google. Photo collage of rhesus monkeys on top of microscope photography of cells. Researchers in China have successfully cloned the first ...

The endangered Przewalski’s horse. Credit: Jessie Cohen, Smithsonian’s National Zoo Earlier this year, a baby Przewalski’s horse was born at the San Diego Zoo. But this foal isn’t any ordinary foal, ...

Add Yahoo as a preferred source to see more of our stories on Google. This week in science: Japanese researchers find out just how many times you can clone a clone; CERN takes antimatter on a road ...

Pet cloning is the process of creating a genetic duplicate of an animal. It involves taking a cell from the pet to be cloned, extracting its DNA, and inserting it into an egg cell whose nucleus has ...

Scientists have made a major advance in overcoming the principal ethical objection to the medical use of stem cells derived from human embryos. They have generated embryonic stem cells - which might ...

Yes, even a scientist is entitled to the belief that human life (and the human soul) begins at conception, and that cloning is a morally reprehensible intervention in that Divine scheme. The belief in ...

At a press conference today (December 16), Science editor-in-chief Donald Kennedy and deputy editor for life sciences Katrina Kelner presented their side of the story in the ongoing controversy over a ...

Researchers in China have successfully cloned the first rhesus monkey, a species widely used in medical research because of its physiological similarity to humans. The monkey, named Retro, is now more ...