Neither a robot nor an animal, xenobots use living cells to create a programmable machine that could one day clean up toxic waste.

Scientists Create Non-Electronic 3D-Printed Robot. Scientists in the United States have developed a walking robot that requires no electronics and can be produced entirely from a 3D printer.

Should robots be able to cannibalize each other so they can accelerate their evolution, bringing them closer to resembling self-sufficient lifeforms capable of living independently of their human ...