New research suggests completely new directions to diagnose and treat viral infections affecting the heart.

A featherlight pacemaker, powered by light and thinner than a human hair, can be implanted to regulate heart activity.

How much exercise is beneficial for the hearts of women over 60? A new study has an answer. And it's not 10,000 steps per day.

Faulty blood oxygen readings may restrict access to lifesaving treatments for Black patients with heart failure, researchers report.

More realistic synthetic human mini-hearts could lead to development of new therapies and drugs to treat a variety of heart-related diseases.

A half-and-half approach to your exercise could help you lower your risk of cardiovascular disease, new research suggests.

New research "underscores the intricate effects of alcohol consumption on cardiovascular health," researchers say.

One year after a baby's partial heart transplant, two well-functioning valves and arteries are growing as if they were native vessels.

A new prescription watch continuously monitors the wearer's heart rhythm, using an algorithm to accurately detect atrial fibrillation.

Low-dose radiation therapy appears to improve heart function in various forms of heart failure, a new study shows.