Scientists have successfully grown embryos that contain a combination of human and monkey cells, a major breakthrough in a rapidly advancing field of genetics that researchers say could one day ...

The Senate narrowly rejected an amendment geared toward criminalizing participation in research that created certain chimeras, or human-animal hybrids, in expectation that the federal government could ...

BATON ROUGE -- Legislation that would prohibit scientists in the state from creating human-animal hybrids for experimentation -- believed to be the first such ban proposed in the nation -- has been ...

Despite criticism that the research techniques involved are unethical and overhyped, British lawmakers on Monday defeated a proposal to ban the creation of human-animal hybrid embryos for medical ...

The Japanese government is expected to approve funding for a research project, led by stem cell scientist Hiromitsu Nakauchi, to use stem cells to create animal embryos that contain human cells.

The United Kingdom's Human Fertilisation and Embryology Authority (HFEA) has asked the government to clarify what the authority's role is in regulating experiments involving human–animal hybrids, an ...