Australian researchers have uncovered a crucial new mechanism that helps explain how the heart's major blood vessels form during early development, and how disruptions to this process can lead to ...

A man received the first ever pig-to-human heart transplant. This wasn’t science fiction, it was a last-resort surgery. Doctors used genetic editing and powerful anti-rejection drugs to make it ...

Add Yahoo as a preferred source to see more of our stories on Google. Michigan State University scientists have built tiny beating heart organoids that can be driven into atrial fibrillation with ...

Though an estimated 60 million people around the world have atrial fibrillation, or A-fib, a type of irregular and often fast heartbeat, it's been at least 30 years since any new treatments have been ...