Scientists are exploring DNA-based robots, tiny molecular machines that could one day navigate the body, deliver targeted therapies, and even build nanoscale technologies.

For decades, microscopic robots lived mostly in our imagination. Movies like "Fantastic Voyage" convinced us that tiny machines would one day cruise through the human body, fixing problems from the ...

Tiny robots small enough to slip through blood vessels are moving from speculative fiction into the medical lab, promising treatments that work from the inside out. Instead of relying on scalpels and ...

The newest generation of microrobots is so small that a single unit can perch on the ridge of a fingerprint and practically vanish from sight. Built at a scale that rivals grains of salt and human ...

A tiny, soft, flexible robot that can crawl through earthquake rubble to find trapped victims or travel inside the human body to deliver medicine may seem like science fiction, but an international ...

Most robots depend on controlled environments, because the real world is hard to get around in. The smaller the robot, the bigger this problem because little wheels (or legs) can take only little ...