The reproductive biology of reptiles encompasses a wider range of strategies than is often assumed in general accounts of the ...

The curved shape of a zebrafish egg causes unequal cell divisions, creating larger cells near the animal pole and smaller ...

The mystery of early embryonic communication is starting to be unraveled thanks to a new stem cell-based model.

A sweeping genetic screen reveals how the brain is built and exposes a hidden gene behind a newly discovered childhood brain ...

Children conceived through assisted reproductive technology (ART) were modestly more likely to develop asthma, allergic ...

High-resolution 3D womb model gives insights into embryo implantation, infertility, and signals between embryo and mother, ...

Scientists in eastern China uncovered dinosaur eggs packed with giant crystals, revealing unusual fossilization processes and new clues about prehistoric development.

Studying chemical chatter as tiny balls of cells embed could shine a light on early pregnancy and glitches that lead to miscarriage ...

Scientists have developed an experimental way to study how human embryos implant in a uterus, which may provide new insights ...

A rare way cells survive extreme stress has just been decoded, with implications reaching far beyond the animal kingdom.

Research into how a father’s choices — such as diet, exercise, stress, nicotine use — may transfer traits to his children has become impossible to ignore.

Because Najin and Fatu cannot safely sustain a pregnancy, the embryos are intended for implantation into surrogate Southern white rhinos, which are closely related and capable of carrying ...