Until about five years ago, scientists believed the pregnancy hormone, human chorionic gonadotropin (hCG), was the culprit.

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

Sexual behaviour among same-sex pairs is common in apes and monkeys, and a wide-ranging analysis suggests it does boost survival ...

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

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