Your heart beats about 100,000 times in one day and about 35 million times in a year. During an average lifetime, the human heart will beat more than 2.5 billion times. Give a tennis ball a good ...

When you think of a heart, you likely picture the sweet little symbol that is seen in illustration, homewares and emojis.

OSAKA -- A beating lab-grown heart made from induced ... within a red culture fluid though it cannot pump blood like a real heart. As one of the centerpieces of the Expo, its movements are said ...

More than half a century after the world’s first heart transplant, scientists are finding fascinating ways to improve the ...

A medical team at National Taiwan University Hospital reports that they’ve completed the first beating heart transplant—a procedure in which a donor heart experiences no reduced blood flow ...

Getty A 4-year-old boy is lucky to be alive after his heart stopped beating for at least 14 hours ... from juicy celebrity news to compelling human interest stories. He was kept on the machine ...