Supercruise sounds like marketing spin, but in aviation it describes a very specific and demanding trick: flying faster than sound for long stretches without lighting fuel‑guzzling afterburners.

Boom Supersonic is one step closer to launching the spiritual heir to the Concorde. The US firm's XB-1 prototype reached a transonic speed of Mach 0.95 during Test Flight 11 on January 10, 2025. The ...

Commercial supersonic flight sped closer to returning as the Boom Supersonic XB-1 prototype reached a transonic speed of Mach 0.95 during Test Flight 11 on January 10, 2025, in the skies over the ...

It's fairly common knowledge that when a supersonic aircraft approaches the sound barrier, what follows is the sonic boom. This transitory period between subsonic and supersonic, known as transonic ...