Lil Nas X is experiencing some medical issues. On April 14, the "Old Town Road" rapper shared a video of himself making expressions in what appears to be a hospital bed to show that he couldn't move ...

Pigs bred for animal-to-human organ transplant experiments are usually genetically modified to reduce the chance that the recipient’s immune system will attack the organ. Credit: Shelby Lum/AP via ...

One of every three donated kidneys never gets transplanted. CBS News explores why a growing number are being discarded.

Are there areas of the brain that regulate prosocial, altruistic behavior? Together with colleagues from the universities in ...

Once thought improbable, in vitro human models are demonstrating technological prowess in a growing range of applications.