The company made an even more dramatic claim the following month, when it announced it had created three dire wolves. These ...

A lot happens in the first month of human embryo development as a single cell morphs into multitudes. Yet despite its significance, this period is basically a “black box” to researchers, says stem ...

Frozen human embryos are pictured in a file photo. Credit: OSV News photo/Ian Hodgson As in vitro fertilization (IVF) continues to make headlines, the status of the many embryos created and frozen in ...

Life begins with a single fertilized cell that gradually transforms into a multicellular organism. This process requires ...

Embryo development starts when a single egg cell is fertilized and starts dividing continuously. Initially a chaotic cluster, it gradually evolves into a highly organized structure. Scientists have ...

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 ...

HeX-Embryoid model showing early blood cells (green) that have formed inside of blood vessels (red) surrounded by yolk sac mesoderm cells (blue) that support these tissues. University of Pittsburgh ...