What if urban air taxis could, like birds, vary the configuration of their wings in flight? The answer to such questions ...

This year the Army has embarked on one of its biggest transformations in decades, while the Air Force dropped most of its sweeping plans.

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...