Add Yahoo as a preferred source to see more of our stories on Google. Former Area 51 employee Bob Lazar. Courtesy of Luigi Vendittelli Bob Lazar is a self-proclaimed physicist whose claims to inside ...

Every year, companies and space agencies launch hundreds of rockets into space—and that number is set to grow dramatically with ambitious missions to the moon, Mars and beyond. But these dreams hinge ...

Artificial intelligence is quietly reshaping how rockets fly, how spacecraft sip propellant and how engineers think about the leap to nuclear propulsion. What began as a set of algorithms for ...