Boom Supersonic's XB-1 demonstrator plane just went supersonic in the skies over California's Mojave Desert, making it the ...

SpaceX launched 22 Starlink satellites from its Falcon 9 rocket Saturday, Feb 1, which can be seen above Southern California.

Musk reportedly put $100 million into SpaceX to develop its first rocket, the Falcon 1, using the proceeds from the $307 million sale of Zip2, the first company he cofounded, and the $1.5 billion ...