Scientists believe humans may be able to regrow lost teeth at some point in the next five years. Not only that, they also say humans have a third set of ...

Surgeon Muhammad Mansoor Mohiuddin is a leader in the novel field of xenotransplantation—transferring organs from one species to another—in his case, from pigs to humans.

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

Since human cells are not compatible with other species and are quickly rejected when transplanted, it's difficult to assess ...

At least four live pig-kidney-to-human transplants have been reported to date, all in the United States. The patient who ...

Researchers developed pig retinal organoids similar to human ones, advancing stem cell-based vision restoration and enabling ...

Since human cells are not compatible in other species and are quickly rejected when transplanted, it's difficult to assess their potential. Pig and human retinas share many key features ...

Some scientists are confident that organs from genetically modified pigs will one day be routinely transplanted into humans. But substantial ethical questions remain. Genetically modified ...

At least four live pig-kidney-to-human transplants have been reported to date, all in the United States. The patient who underwent the transplant last November is the longest-surviving recipient ...