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

Sex cells made from scratch could revolutionize human reproduction. But researchers are struggling to translate promising ...

We all know the drill for reproduction—sperm meets egg. But mice aren’t people. And the same recipe doesn’t work for human reproductive cells. One reason, according to Dr. Mitinori Saitou at Kyoto ...

Researchers have created human embryos by taking nuclei from ordinary skin cells, placing them into donated eggs, and ...

The embryos weren’t used to try to establish a pregnancy, but the researchers behind the technique say it could one day be ...

Researchers at Oregon Health & Science University (OHSU) have developed a remarkable new way for making human body cells ...

and made to halve its chromosomes, mimicking the special steps that normally create eggs and sperm," says fertility specialist Ying Cheong of the University of Southampton in the UK, who was not ...

Julian Koplin receives research funding from Ferring Pharmaceuticals for an unrelated project. Neera Bhatia receives funding from UKRI Arts and Humanities Research Council for an unrelated project.

Katsuhiko Hayashi pulls a clear plastic dish from an incubator and slides it under a microscope. "You really want to see the actual cells, right?" Hayashi asks as he motions toward the microscope.

The best way to increase your sperm count is to lead a healthy lifestyle that includes exercising, eating healthy, and ...