President Trump’s blueprints to build a space-based missile defense shield could help him push for reductions in atomic weapons arsenals across the great nuclear powers.

TOKYO — The United States has approved a $900 million missile sale to Japan, the third major arms purchase of its kind by the ...

Respond to the Missile Defense Agency's request for information to help identify technologies for a next-generation missile defense shield.

The problems, both then and now, were that a comprehensive missile shield would be exorbitant in price, barely technically ...