A helicopter landed on Martian soil on Saturday as NASA prepares for the Ingenuity to make its first flight on the Red Planet. The $85 million drone is a technology demonstration to test powered flight on another world for the first time
Holiday makers may soon be flying abroad on jets powered by scraps of wood, according to new research. A green fuel that converts plant waste from farm and timber harvests into aviation fuel has been developed by scientists. They say it could