Researchers have developed a bird-like robot capable of walking, hopping, and leaping into flight. Named RAVEN (Robotic Avian-inspired Vehicle for multiple Environments), the design features ...

Unlike real bird legs, which have multiple joints at the hip, knee, and ankle, its legs feature just two joints at the hip and knee, powered by small motors. Springs in each foot store and release ...

Drone aircraft are no longer curiosities—they're widely used in recreation, transportation, and even warfare. Most of these flying machines use rotary-wing quadcopter designs, which allow them to take ...

In October of this year, we reported on a raven that had some serious issues with a coffee drone entering its airspace. It brought up an important question: Who will own the future (low altitude) ...

A team of scientists has constructed a robot leg that, like its natural model, is very energy efficient. BirdBot benefits from a foot-leg coupling through a network of muscles and tendons that extends ...