SpaceX said it was pushing to Tuesday an evening launch attempt that could mean a sonic boom may rattle parts of Central ...

Monday's SpaceX twin Falcon 9 missions are slated to become the 11th and 12th orbital rocket launches thus far this year from ...

The countdown has begun for the XB-1’s “historic” first supersonic test flight that should break the sound barrier, according ...

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

The aerospace company put its technology to the test today, breaking the sound barrier and reviving the dream of supersonic ...