Scientists have built a massive cellular atlas showing how aging reshapes the body across 21 organs. Studying nearly 7 million cells, they found that aging starts earlier than expected and unfolds in ...

A new technology has been developed to suppress immune rejection, the biggest challenge in organ transplantation, without causing systemic side effects. A research team from Pohang University of ...

If you’ve always thought your birthday was the best way to define how old you are, think again. Your organs, it turns out, are aging on their own schedules. A growing body of scientific research is ...

Scientists have developed injectable "mini livers" that can replicate liver function, potentially buying time for those with liver disease.

Scientists have uncovered a powerful genetic switch that helps some of the body’s most important immune cells grow up properly and keep our organs healthy. The switch, called MafB, guides immature ...

Science writer Mary Roach is fascinated by the human body, especially, she says, the "gooey bits and pieces of us that are performing miracles on a daily basis." Take the human heart, for instance. If ...

When it’s time to bring new life into the world, the human body transforms itself in remarkable ways. The immune system, which usually fights off anything that reads as foreign, learns to chill out so ...