When disaster strikes, government emergency alert systems offer a simple promise: Residents will get information about nearby ...
The XB-1 aircraft accelerated to Mach 1.05 within about 11 minutes of taking off, according to Boom Supersonic and live video ...
It could take months to know why some evacuation orders lagged in the Los Angeles fires.
Boom Supersonic's XB-1 achieved a milestone by successfully breaking the sound barrier on a test flight, marking the first ...