Protecting the U.S. would require novel solutions, like orbiting missile interceptors that can destroy incoming attacks.

The first Trump administration floated a space weapon concept in March 2018: a neutral particle beam in space. But it ultimately shelved the idea because of the massive amount of power needed to ...

Rocket scientist Ari Sacher explains the capabilities of the Iron Dome missile defense system, why the U.S. needs something more complex and comments on the arms sale to Israel.

Shrugging off bad weather, Jeff Bezos' Blue Origin launched its powerful New Glenn rocket on its maiden flight early Thursday, lighting up a cloudy overnight sky as it climbed away from Cape ...