As prominent artificial intelligence (AI) researchers eye limits to the current phase of the technology, a different approach ...

Scientists have transformed enigmatic cell structures, called vaults, into storage units for messenger-RNA molecules made in ...

There are hundreds of cell types in the human body, each with a specific role spelled out in their DNA. In theory, all it ...

A human female is born with all the egg cells she will ever have. The possibility for the development of new oocytes is zero. Given this constraint, it is crucial that these gametes remain healthy and ...

In a proof-of-concept experiment, scientists demonstrated that you can create and fertilize human eggs in the lab using sperm, genes from skin cells, and the "shells" of existing egg cells. When you ...

Pea-size clusters of human cells called brain organoids inspire both hope and fear. Experts are debating how scientists can ...

Researchers at the Francis Crick Institute and AlveoliX have developed the first human 'lung-on-chip' model using stem cells taken from only one person.

Scientists said Tuesday they have turned human skin cells into eggs and fertilized them with sperm in the lab for the first time—a breakthrough that is hoped to one day let infertile people have ...

The exchange of cells between a mother and a fetus is a well-documented phenomenon that scientists have known about for more ...

Here’s what you’ll learn when you read this story: With more than 100,000 people in need of an organ transplant in the U.S. alone, scientists have turned toward perfecting human-animal chimeras as a ...

It’s not surprising that many people fear the dentist. Replacing a tooth often requires invasive surgery and implanting a titanium screw into a patient’s jawbone, then waiting months for that to ...

In a controversial step that raises the possibility of a new kind of infertility treatment, scientists report that they have produced functional human eggs in the lab that were able to be fertilized ...