After years of research into xenotransplantation, the field is at a turning point—yet risks and ethical issues remain ...

Some scientists are confident that organs from genetically modified pigs will one day be routinely transplanted into humans.

Other scientists, including Jun Wu, a stem cell biologist at the University of Texas Southwestern Medical Center, are also studying chimeras with the ultimate goal of one day being able to grow enough ...

Human brains are growing in size, causing a reduced risk of dementia, a new study has found. A team at UC Davis has made a ...

Izpisua Belmonte is addressing the shortage of human organs for transplant with a scientifically innovative—albeit ethically controversial—solution: growing human cells in animal embryos to ...

The radical “innovation” of xenotransplantation—the idea of transplanting genetically engineered organs from animals into ...

Human brains contain higher concentrations of microplastics than other organs, according to a new study, and the amount appears to be increasing over time. In the study, published in early ...