A 7-year-old boy in China with end-stage heart failure has received the world’s smallest and lightest artificial heart.

Recent research highlights the need for personalized heart wall measurements to improve hypertrophic cardiomyopathy (HCM) ...

Missteps, Equipment Problems and a Common but Risky Practice Led to a Fatal Crash New details revealed by The Times show the complex failures on Jan. 29 before an Army helicopter crashed into a je ...