Paper in Cloning and Stem Cells shows that animal eggs do not support specific reprogramming toward the normal human embryonic state. Investigators at Advanced Cell Technology (ACTC) have found that ...

The majority of fertilized eggs die and are resorbed into the body. ZEISS Microscopy/Flickr, CC BY-SA As an evolutionary biologist whose career has focused on how embryos develop in a wide variety of ...

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 ...

Aug. 11 (UPI) --A team of Spanish researchers announced Friday they have for the first time recorded video of a human embryo implanting itself in a simulated uterine wall, revealing never-before-seen ...

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 ...

A team of scientists has just gotten a closer peek into one of the earliest and most fundamental steps of creating a human life. Research out today highlights how they captured—for the first ...

LONDON (Reuters) - Scientists in Britain have applied for a license to create hybrid embryos using human cells and animal eggs for stem cell research to develop new treatments for diseases such as ...

Scientists have announced a breakthrough in the race to address a catastrophic organ shortage. It involves a wild mashup of human and sheep cells.

Here’s what you’ll learn when you read this story: With more than 100,000 people in need of an organ transplant in the U.S. alone, scientists have turned toward perfecting human-animal chimeras as a ...