While many hail the ruling, critics fear mutant creatures may result. Sept. 13, 2007 — -- Last week, Britain made a landmark decision that allows researchers to use animal eggs in the creation of ...

NEW YORK -- It may be futile to try producing stem cells by putting human DNA into cow or rabbit eggs and making hybrid cloned embryos, a strategy that triggered controversy recently in Britain, a new ...

LONDON -- British plans to allow scientists to use hybrid animal-human embryos for stem-cell research won final approval from lawmakers Wednesday in a sweeping overhaul of sensitive science laws. The ...

In biomedical research, the concept of chimeras represents a significant advancement that may transform our understanding of human biology. A chimera, defined as an organism with cells originating ...

You may be wondering why scientists would create a part-human part-monkey embryo — and you’re not alone. An international team of scientists said they created hybrid embryos, or chimeras, to see if ...

LONDON (Reuters) - Creating hybrid human/animal embryos to help develop new treatments for disease would not be illegal in Britain but should be put to a public debate, a regulatory body said on ...

LONDON (Reuters) - Scientists have created hybrid embryos from the sperm of near-extinct northern white rhinoceroses in the laboratory, hoping they can ultimately help save the species. The northern ...

Scientists have made a leap in genetic engineering by pushing elephant cells into an embryonic-like state. This marks a major step toward recreating traits of the extinct woolly mammoth, offering new ...