Paterna Biosciences says it has determined the set of instructions needed to turn sperm-making stem cells into "normal, ...

Utah startup says it grew human sperm in lab, creating embryos in early test of infertility breakthrough.

The more you understand what can go wrong in a surrogacy journey, the better equipped you are to navigate it with clarity and ...

Now, scientists are taking control of that formula. The equation for making a human is not straightforward anymore. In a ...

Paterna Biosciences said it has mastered the molecular signals that teach stem cells how to mature into sperm for a promising ...

With only two northern white rhinos left, scientists are using lab-grown embryos in a last-ditch effort to bring the ...

Gardeners love a good secret, especially one that turns waste into something wildly useful. Hidden in plain sight sits one of ...

Learn how egg retrieval, lab fertilization, and embryo transfer are helping scientists rebuild the northern white rhino ...

The quail is a small, unassuming bird that glides rather than flies and prefers to hide under bushes than to perch on top of ...

Each month during a woman's menstrual cycle, an ovary prepares 10–20 antral follicles, fluid-filled sacs that hold immature ...

Paterna Biosciences says it has grown human sperm from testicular tissue in a lab and used it to fertilize eggs, marking a ...

A new therapy has the potential to cure hundreds of diseases — and even reverse aging. Credit...Photo illustration by Kensuke ...