The current practice of freezing embryos—used to assist reproduction in humans or animals or to conserve endangered species—routinely causes ice to form within the cells, ripping through cell ...

Hair, nails, and horns, all made up of keratin, are some of the hardest and most resilient structures in animals. Inside zebrafish cells, keratin plays a distinct role, giving them the strength they ...

The biological parents of a baby at the center of an embryo mix-up have been identified, according to attorneys for the Florida woman who gave birth to the infant. Subscribe to read this story ad-free ...

A Florida couple discovered their baby was not biologically theirs after an IVF embryo mix-up. The couple sued the fertility clinic and doctor after genetic testing confirmed they were not the ...

A Florida IVF clinic is being sold amidst a lawsuit after a woman gave birth to a baby that was not genetically hers. The couple who gave birth to the child filed a lawsuit after genetic testing ...

Eating large amounts of ultra-processed food (UPF) is linked not only to reduced fertility in men, but also to slower growth in early embryos, and smaller yolk sacs, which are essential for early ...

Knoepfler is a professor of cell biology and human anatomy at UC Davis School of Medicine. Researchers are racing to engineer highly realistic human embryo models using stem cells in the lab. Some of ...

Genetic testing on embryos is more sophisticated and accessible than ever—and it’s now being sold as a way to let parents pick their future baby’s best traits. Many Americans agree that it’s ...

Cell division is an essential process for all life on earth, yet the exact mechanisms by which cells divide during early embryonic development have remained elusive – particularly for egg-laying ...

Although embryonic stem cells (ESCs) have been successfully derived from mice and rats, efforts to establish chimeric and germline-competent ESC lines in species beyond rodents have been unsuccessful.

Researchers have captured the very first real-time, three-dimensional images and videos of a human embryo implanting into synthetic uterine tissue—revealing a key stage in reproduction. The resulting ...