A recording released by the federal government appears to include audio of the implosion of the experimental submersible that ...

B oom Supersonic, the company aiming to create commercial planes that can travel faster than the speed of sound, have successfully tested their XB-1 jet. According to the company, the jet was able to ...

In January, the aircraft successfully broke the sound barrier for the first time, reaching speeds exceeding Mach 1 at an ...