A lot happens in the first month of human embryo development as a single cell morphs into multitudes. Yet despite its significance, this period is basically a “black box” to researchers, says stem ...

In science, ethical guidelines ensure that research takes place in a way that respects public trust and is conducted ...

Descriptions of the embryo go back at least to the time of Aristotle, but it has only been since the late 19 th century and early 20 th century that advances in experimental approaches allowed ...

A new study suggests higher ultra-processed food intake may be linked to poorer fertility outcomes in men and subtle changes ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. What do the earliest stages of a pregnancy look like? Embryonic development has been extensively studied, but most of our ...

“A central question has been: How do thousands of genes work together in an embryo, and how is their activity linked to the movement of cells?” says first author Yinan Wan. To answer this question, ...

Can maternal stress harm a fetus? New research quantifying the Fukushima disaster's psychological impact shows that radiation ...

A Florida IVF clinic is being sold amidst a lawsuit after a woman gave birth to a baby that was not genetically hers. The ...

Between 280 and 200 million years ago, a group of animals evolved which would eventually give rise to mammals, including humans: the therapsids. They were first described more than 150 years ago, ...