Space-based interceptors and "particle beams" are part of a new multi-billion-dollar Trump order to build a new U.S. missile ...

President Trump’s blueprints to build a space-based missile defense shield could help him push for cuts in atomic weapons arsenals with Russia and other nuclear powers.

(Patrick Semansky/AP) Two Republican senators have introduced legislation that would establish more detailed plans for President Donald Trump’s new missile defense shield for the homeland – to ...

Trump‘s plan, which explicitly aims to expand missile defense to cover the U.S. homeland against all attacks, is “aspirational,” said Jon Ludwigson, director of the Government Accountability ...