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 ...

In a landmark scientific and conservation achievement, a critically endangered Bongo antelope has been born from a surrogate Eland antelope at Infinity Exotics in Central Texas, marking one of the ...

A ban will be lifted on federal funding of experiments that use human stem cells to create part-human, part-animal embryos. A ban will be lifted on federal funding of experiments that use human stem ...

A Japanese scientist from the University of Tokyo just got permission from the government to create animal embryos that contain human cells, Nature reports — work that could lead, eventually, to ...

Legionary Father Joseph Tham has strong credentials as an expert on bioethical issues: Before becoming a priest, he earned degrees in mathematical sciences and in medicine and worked for several years ...

Destructive Human Embryonic Stem Cell Research—The term “destructive human embryonic stem cell research” means any research that involves the disaggregation of any human embryo for the purpose of ...

Regulators decided on Wednesday to permit in principle the creation of hybrid human-animal embryos for research into illnesses such as Parkinson’s, Motor Neuron Disease and Alzheimer’s. The Human ...

Nov. 28 (UPI) --Before the earliest animals diverged from their single-celled ancestors and diversified into a few dozen anatomical shapes, primitive organisms began experimenting with animal-like ...

Much of what scientists learn about the evolution of Earth's first animals will have to be gleaned from spherical embryos fossilized under very specific conditions, according to a new study by Indiana ...

Mysterious 609-million-year-old balls of cells may be the oldest animal embryos — or something else entirely. By Carl Zimmer A creature called Caveasphaera lived in China 609 million years ago, and it ...