A bioengineered heart made of pig and synthetic tissues beats like the real thing.

A study in mice reveals that stem cell transplants, currently in clinical trials, may not actually require the cells.

A case study of a family demonstrates that different genetic mutations from the two parents cause severe heart disease symptoms in the children.

The robotic catheter can guide its own movements within the heart of a live mammal to the site of a leaky valve replacement.

Roberto Bolli was editor of the American Heart Association’s journal until last week, after anti-gay comments he sent to the Louisville Ballet became public.

Primates receiving heart transplants from genetically engineered pigs have survived more than six months, a new study reveals.

The 51-year-old University of Cape Town researcher had been suffering from depression, and his death has prompted reflection on being a black academic in South Africa.

A mouse study adds to the growing body of work disputing the ability of progenitor cells to regenerate muscle tissue in adult mammals’ hearts.

Selected Images of the Day from the-scientist.com