For mankind to visit distant objects like Mars, scientists need to know what happens to the human body in space. The microgravity environment created by flying through space causes a range of ...

In a world first, surgeons have performed an eyeball transplant. It is uncertain if the recipient will be able to see using his new eye, but the procedure remains a significant step towards one day ...

Scientists say they’ve made a bionic human-compatible eyeball that has nearly 50 times more “sensing” nanowires than there are optic cells in the human retina. The researchers suggest the eventual ...

Scientists in Japan claim to have developed a rudimentary human liver and a precursor of a human eyeball in the lab using stem cells, a feat they say could be a boon for the future organ replacement.