A wave of spatial transcriptomics studies has produced gene-expression atlases that span entire organs and whole organisms, from mouse embryos to the roundworm C. elegans to 31 human tissues. These ...

An international research team has made a notable discovery of fossil embryos belonging to Ecdysozoa, a diverse group of animals including roundworms, velvet worms, insects, and crabs. These fossils, ...

Frozen embryos are filling storage banks around the world. It's a struggle to know what to do with them. Lisa Holligan already had two children when she decided to try for another baby. Her first two ...