In the beginning, no one really understood how babies were made. Thinkers puzzled for millennia about how life arose from one generation to the next. But not until the 17th century did scientists ...

Male and female reproductive systems allow human reproduction. Fertilisation occurs when a sperm and egg join to form an embryo. An embryo develops into an unborn baby in the uterus during pregnancy.

In 2016, two Japanese reproductive biologists, Katsuhiko Hayashi and Mitinori Saitou, made an announcement in the journal Nature that read like a science-fiction novel. The researchers had taken skin ...

Megan Molteni reports on discoveries from the frontiers of genomic medicine, neuroscience, and reproductive tech. She joined STAT in 2021 after covering health and science at WIRED. You can reach ...

Scientists have discovered microplastics in human reproductive fluids, raising concerns about potential risks to fertility and reproductive health. The study, presented at the ESHRE meeting, found ...

Françoise Baylis is affiliated with the International Science Council. Jocelyn Downie does not work for, consult, own shares in or receive funding from any company or organization that would benefit ...