Scientists tracked how human immune cells attack pig kidneys after transplant—and found a way to fight back using precision ...

In TODAY.com's Expert Tip of the Day, a cardiologist explains why neglecting your "second heart" can lead to health ...

In Washington County, July 2 marks a day of remembrance for two law enforcement officers who were killed in the line of duty ...

Scientists from QIMR Berghofer's Cardiac Bioengineering Lab have developed lab-grown, three-dimensional heart tissues known ...

But there's a problem, and a big one at that: The body naturally wants to reject any tissue it knows it didn't manufacture.

The final episode of Marvel's Chinaka Hodge's 'Ironheart' on Disney+ introduces a long-awaited character, but what does that ...