Engineers are closing in on a long imagined goal in aviation, wings that can subtly change shape in midair instead of relying on rigid flaps and heavy hydraulics. The key is a family of “metals with ...

Airmen walk away as a U.S. Army UH-60 Black Hawk Helicopter takes off in the U.S. Central Command area of responsibility, Dec. 14, 2025. (Airman 1st Class Jonah Bliss/U.S. Air Force) The U.S. Air ...