On Wednesday, Sen. Cindy Hyde-Smith (R-MS) blocked the Senate bill that would have protected IVF treatment on a federal level, claiming it was an issue that should be left up to the states. But she ...

A Republican senator has blocked a bill to safeguard in vitro fertilization access because of fears of human cloning and the creation of "chimeras." "It would legalize the creation of human-animal ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists based in China have created a monkey chimera with two sets of DNA, experimental work they say could ultimately benefit ...

Scientists have advanced human-animal chimera research by successfully growing human cells within the organs of mice. This development could bring experts closer to the goal of custom-growing human ...

(CNN) — Scientists based in China have created a monkey chimera with two sets of DNA, experimental work they say could ultimately benefit medical research and the conservation of endangered species.