The company made an even more dramatic claim the following month, when it announced it had created three dire wolves. These ...

Life begins with a single fertilized cell that gradually transforms into a multicellular organism. This process requires ...

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

Genetic testing on embryos is more sophisticated and accessible than ever—and it’s now being sold as a way to let parents ...

A team of scientists from China has successfully created a miniature womb on a chip that mimics the complex environment of ...

Molecular mechanism uncovered in mice by UC Santa Cruz researchers reveals how a father’s diet, stress, and other ...

A research team led by Associate Professor Hirofumi Nishizono and graduate student Masaki Kato from the Research Support ...

Scientists create a ‘mini-womb’ 3D model on a microfluidic chip which could lead to treatments for women affected by ...

For decades, scientists have struggled to study this moment in humans because of ethical restrictions and limited access to ...

The majority of fertilized eggs die and are resorbed into the body. ZEISS Microscopy/Flickr, CC BY-SA As an evolutionary biologist whose career has focused on how embryos develop in a wide variety of ...

Embryos now cross borders with increasing regularity, carried quietly by couriers and safeguarded by systems designed to leave little to chance.