Once a sperm has broken through to an egg cell in order to fertilize it, the two cells need to hold together tightly. This ...

Once a sperm has broken through to an egg cell in order to fertilise it, the two cells need to hold together tightly. This ...

Two new landmark studies show how a seeming tangle of DNA is actually organized into a structure that coordinates thousands of genes to form a sperm cell. The work, published March 3 as two papers in ...

More work needs to be done to create viable human embryos, but the method might someday be used in IVF to help infertile people and male couples.

Researchers at Oregon Health & Science University have accomplished a unique proof of concept to treat infertility by turning ...

Credit: Natalia Lebedinskaia via Getty Images Scientists have created human eggs in the lab using a similar process to the one ... cells in the body do. During fertilization, an egg's 23 chromosomes ...

Scientists have developed functional eggs from ordinary human skin cells, a proof of concept that could open up new ways to ...

An emerging process, known as in vitro gametogenesis (IVG), involves reprogramming skin cells to become a type of stem cell ...