Scientists are exploring ways to mimic the origins of human life without two fundamental components: sperm and egg. They are coaxing clusters of stem cells – programmable cells that can transform into ...

A remarkably well-preserved dinosaur embryo, unearthed from a fossilized egg in southern China, is offering scientists an ...

If the last two decades have taught us anything, it is that the slippery slope is indeed slippery. What society once naturally recoiled from—designer babies, artificial wombs, and the termination of ...

For the first time, scientists have recorded a human embryo implanting into a womb in real time, a feat the researchers hope will lead to new ways to treat infertility and prevent miscarriages. "Being ...

Scientists very rarely get access to most sharks, the development of their young or the nursery grounds where they grow. So seeing a hammerhead shark (Sphyrna tiburo) embryo, halfway through its ...

Researchers in Barcelona have, for the first time, recorded a human embryo embedding itself into the uterus in real time and in 3D, revealing the surprisingly forceful and invasive process that is ...