Magdrive is working on three versions of its space thrusters, and because they run on solid metal, they might one day even be powered by space junk collected directly in orbit, turning it from threat ...

The Trump administration is taking the unusual step of deploying a Navy warship off the waters of the U.S. as part of its ...

The Navy plans to send a second warship to patrol the waters off the U.S. by the end of this week after a destroyer was deployed on Saturday as part of the Trump administration's crackdown on ...

A U.S. Navy destroyer has been deployed to help "restore territorial integrity at the U.S. southern border" as part of ...

The U.S. Missile Defense Agency (MDA) has successfully simulated an intercept of a mock advanced hypersonic missile using a ...