The Trump administration’s changes to policy involving material donated from abortions have led scientists to adjust their research projects or seek alternative sources of funding.

External researchers funded by US federal grants can continue their experiments under tighter scrutiny.

The bipaternal pups died soon after birth, but mice with two mothers grew into fertile adults.

With just a molecular nudge, aggregates of embryonic stem cells take shape as a “gastroloid,” bearing the genetic hallmarks and spatial organization of early development.

The organ’s blood-pumping capacity improved with the infusion of cells, a study shows.

A trio of papers provide new insight into embryo development.

For the first time, a transplant of replacement tissue grown from stem cells has been shown to be feasible for patients with macular degeneration.

Scientists issue a call to reconsider the rules governing the creation of tissues, organs, and other structures made possible by recent advances in synthetic biology. 

Researchers report growing a mouse embryo using two types of early stem cells.