A startup wants to fly passengers in its supersonic plane by 2029, but high costs and unproven technology have some experts raising their eyebrows

That timeline has some aviation experts raising their eyebrows ... Mach-speed planes can only fly over water until that is changed. Bragg said a supersonic plane would be much more effective ... Read More

A startup says it can fly supersonic without the noisy boom. Here's how its airliner would compare to the famous Concorde.

Impact Link A startup wants to revive ... and avionics have been developed to improve efficiency and safety, and Boom plans to build its own homegrown supersonic engine capable of running off ... Read More

A startup says it can fly supersonic without the noisy boom. Here's how its airliner would compare to the famous Concorde.

Denver-based Boom Supersonic wants to revive Mach-speed travel with its Overture plane ... "Concorde proved you can fly a supersonic airplane with passengers on it half a century ago. Read More