Chinese scientists have, for the first time, cultivated a beating heart structure with human cells in a pig embryo, reporting ...

Scientists tracked how human immune cells attack pig kidneys after transplant—and found a way to fight back using precision ...

But there's a problem, and a big one at that: The body naturally wants to reject any tissue it knows it didn't manufacture.

Fred Hutch researchers have created a gene-expression map of glial cells of the tiny worm, C. elegans, adding the missing ...