In 2021, scientists grew human stem cells in a monkey embryo, creating a human-ape hybrid. Is this mad science? Is it immoral ...

Faced with demographic collapse in her home country, the Chinese expert is conducting experiments on stem cells and human ...

Chinese scientists clone monkeys using the same technique that produced Dolly the sheep two decades ago, breaking a technical barrier that could open the door to copying humans.

Baby KJ was the first to receive a bespoke gene-editing treatment. Personalized drugs for others could be approved within the ...

From eradicating smallpox to battling the COVID-19 pandemic, these vaccine pioneers have helped make colossal strides in ...

A stretch of viral DNA in the mouse genome gives cells in early-stage embryos the potential to become almost any cell type in ...

Scientists have gotten an unprecedented look at how the human embryo implants in a uterus. They did this by creating very primitive, womb-like environments in the lab. "This is really important work ...

A 26-ft (8-m) deep excavation in Indonesia has revealed that humans and a hominin species that pre-dates humans used the same ...