Millions of people live with atrial fibrillation, a racing, uneven heartbeat that can leave you exhausted and scared. Yet it ...

For decades, cardiology textbooks treated heart damage as permanent, a grim one-way street from heart attack to heart failure ...

This unexpected ability opens the door for scientists to stimulate cellular mitosis and improve heart function after an attack.

Artistic representation of heart regeneration: Hmga1 in green symbolically flows from the border zone of a zebrafish heart (top right) to the injured border zone of a mouse heart (left). Red ...

Senior Lecturer and Clinical Academic in Faculty of Medicine, Health & Life Sciences, Swansea University Mammals, from the mighty blue whale to the tiny shrew, inhabit nearly every corner of our ...

Credit: Getty Images A discussion of the history and future of artificial heart technology with Dr Francisco Arabia and Dr Jack Renfrew’s experience with an artificial heart transplant. In May 2025, ...