We know that some animals are bilaterian—meaning they display bilateral symmetry—while others are not, but nature is rarely ...

Discover how your stress response is actually working for you—and how imagination can help you adapt, even when the world ...

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.

Scientists have achieved an unprecedented look into how the human immune system attacks a transplanted pig kidney, using spatial molecular imaging to map immune activity down to the cellular level.

And it could not be better timed—the first US-based clinical trials of pig kidney transplantation into living humans begin ...

Using loopholes and fraud, brokers turn poverty in Bangladesh and demand for transplants in India into booming business.

"Well, one MRI later, and they discovered that her little spine-adjacent cyst was actually an ovarian cyst. The anatomically ...

Sport supplements are hard to get away from if you like to exercise regularly. Even if you're not interested in them, there's ...

A second man from Albany, N.Y., aged 66, who received the donor’s other kidney also developed a parasitic infection, the ...