Spirit Airlines is returning daily service to Arnold Palmer Regional Airport later this year.

Today a civil test airliner, Boom Technology’s XB-1, broke the sound barrier for the first time in two decades.

Something unusual is happening in the Grand Canyon—its animals are behaving in ways never seen before. From unusual ...

Boom Supersonic's XB-1 achieved a milestone by successfully breaking the sound barrier on a test flight, marking the first ...

Tuesday morning at Mojave Air & Space Port in California, almost 80 years after U.S. Air Force ace Chuck Yeager first ...

A sleek white aircraft became the first independently developed jet to break the sound barrier, tearing through the air tens ...

The X-59, part of NASA's Quesst program, completes afterburner testing for supersonic speeds with reduced noise.

Boom Supersonic reached a new milestone in its work toward building the world’s fastest commercial airliner on Tuesday. The ...

Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed ...

Boom, the American company building what promises to be the world's fastest airliner, broke the sound barrier for its first ...