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 ...

Your heart will not just give you fear and uncertainty after a heart attack; it can leave scar tissue that stiffens your heart and limits your strength. Many people learn to live with that loss, but ...

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 ...

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 ...

Mammals, from the mighty blue whale to the tiny shrew, inhabit nearly every corner of our planet. Their remarkable adaptability to different environments has long fascinated scientists, with each ...

Human heart development is largely influenced by neural crest cells, which carefully regulate a key growth signal.