US aerospace firm wants to accept passengers by the end of 2029. But what was Concorde, its famous supersonic plane ...

SPEEDY flights that blast off faster than the speed of sound look set to return to skies as a US company reveals huge progress on a new Concorde-like service. Boom’s XB-1 jet, dubbed the ...

Boom hopes its breakthrough will allow supersonic flights over land, making US coast-to-coast flights 90 minutes faster.

The scaled-down prototype, nicknamed the "Baby Boom", broke the sound barrier for the first time during a test flight over ...

SpaceX chief and now US government special advisor Elon Musk says the current administration may scrap regulations ...