embryos

A nine-day-old human embryo seen through a microscope. Institute for Bioengineering of Catalonia (IBEC) hide caption toggle caption Institute for Bioengineering of Catalonia (IBEC) For the first time, scientists have …

Pig embryo at 33 days. Pig embryos with human heart cells have survived for 21 days.Credit: Daniel Sambraus/Science Photo Library Researchers have reported growing hearts containing human cells in pig …

A newly available kind of genetic testing, called polygenic embryo screening, promises to screen for conditions that can include cancer, obesity, autism, bipolar disorder, even celiac disease. These conditions are …

A Harvard scientist who has been held in US immigration detention for months was charged on Wednesday with smuggling frog embryos into the United States, and likely faces deportation. Kseniia …