Researchers have reported growing hearts containing human cells in pig embryos for the first time. The embryos survived for 21 days, and in that time their tiny hearts started beating. The findings ...

The human heart, a fist-sized muscle, tirelessly beats billions of times throughout life, powering every cell by delivering ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Researchers at the Francis Crick Institute have discovered that the heart's own contractions trigger biological signals that guide the formation of a functional beating heart. Their study in zebrafish ...

In a world-first, scientists at Tel Aviv University have successfully 3D printed a tiny human heart using real human cells. This innovation could reshape the future of organ transplants, offering a ...