Rolls-Royce and easyJet have completed ground testing of a modified Pearl 15 engine running on 100% hydrogen at full takeoff ...

The Ho 229’s stealth reputation partly comes from later claims that Reimar Horten intended to mix charcoal dust into the ...

Researchers project that surging drone and robotics production by the late 2030s could significantly increase demand for certain raw materials, especially rare earth metals like neodymium-praseodymium ...

Parts used in aircraft engines, power plants, and other high-temperature machines must survive extreme stress for long ...

Activity at Arizona's mines is surging, and so is the release of toxic materials. A new Environmental Protection Agency report shows that releases of mine tailings and other toxic emissions increased ...