Proton radiograph of a hand phantom. Researchers developing a new medical imaging technology that uses protons instead of x-rays presented the first proton radiographic image of a hand this week at a ...

Just in time for Halloween, NASA has released a spooky new image that the space agency says shows the "bones" of a "ghostly cosmic hand." The hand is actually the remnants of a collapsed giant star, ...

You may think you know the back of your hand like, well, the back of your hand. But think again. Scientists have found that our brains contain highly distorted representations of the size and shape of ...