Tiny robots small enough to slip through blood vessels are moving from speculative fiction into the medical lab, promising ...

The tiny, microscopic robot packs an onboard computer, solar cells, and propulsion system, and is capable of sensing its ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: Surgeons in China successfully transplanted a pig lung ...

For as long as humans have told stories, we’ve dreamed of immortality. From ancient myths of gods who never age, to modern science fiction tales of cyborgs and cloned bodies, the longing to outsmart ...

Our liver has admirable regenerative properties. But it takes a beating every day. Eventually, its tissues scar, and if the organ fails, a liver transplant is the only solution. Donor livers are hard ...