Business

United Airlines sees a supersonic future

United Airlines aims to bring back supersonic travel before the decade is over with a plane that is currently just an artist's drawing—even the prototype hasn't flown yet.

Engineering

NASA prepares to go public with quiet supersonic tech

Arriving 49,000 feet above the test site, higher than the airlines fly, NASA Armstrong Flight Research Center test pilot Jim "Clue" Less shuts down his F/A-18's afterburners moving just shy of Mach 1, the speed of sound, ...