Proposed U.S. space defenses against hypersonic nuclear missiles are unnecessary, impractical and would trigger a dangerous ...

Californians will be able to look to the sky to see an unarmed missile as the Air Force is set to launch the Minuteman III ...

Rocket engine manufacturer Ursa Major is accelerating the development of its Draper engine. The startup is collaborating with US agencies and military contractors to make the engine available for use ...