Two active duty and one former soldier were arrested for conspiring to sell classified military materials to individuals in China.

Four crew members will embark on a new long-duration science expedition when they launch to the International Space Station ...

The former Google chief executive is taking a controlling interest in Relativity Space, which aims to build low-cost, ...

“I was thinking of falling stars, comets, meteors or even missiles.” While some rocket material burns up entirely when it re-enters the atmosphere, pieces of this stage hit the groun ...