Boom Supersonic built a supersonic plane for a fraction of the cost of NASA's X-59. Now all that's left to do is build it ...

"This image makes the invisible visible — the first American made civil supersonic jet breaking the sound barrier." ...

It's not particularly accurate, but it's a neat parlor trick. I particularly like the Sonic Lego mini-figure included in the set – especially that they went with the cuter, friendlier original ...

"This reduces risk and ensures we're not learning about problems in the air." NASA's experimental X-59 aircraft continues to make progress toward its first flight with a new successful round of ...