Then researchers placed blastoids and embryos donated after infertility treatments inside the little device and watched it ...

By engineering a system replicating the womb lining with high biological accuracy, researchers at the Babraham Institute and ...

A new study from the MRC Laboratory of Medical Sciences (LMS) in London, UK reveals how ancient viral DNA once written off as ...

The viral transposable element, MERVL, acts as a central switch during early embryonic development, driving totipotent gene ...

Cambridge University researchers developed the world’s first synthetic human embryo models using stem cells but without using an egg or sperm, which has sparked ethical concerns and questions about ...

Two to three weeks after conception, an embryo faces a critical point in its development. In the stage known as gastrulation, the transformation of embryonic cells into specialized cells begins. This ...

Seals give birth only when conditions are right. After mating, a female seal can delay implantation of the embryo in the ...

After three long essays in the New York Times’s “Embryo Question,” the series ends with a stunning confession of complete indecision about what the human embryo is — aside from the assertion that ...

Using the fruit fly, scientists have constructed a complete and detailed single-cell map of embryo development. This research will also help scientists pursue questions like how mutations lead to ...

Researchers have discovered a potential 'pause button' in the earliest stages of human development. Whether humans can control the timing of their development has long been debated. The new study ...