I N THE LATE 1980s Edward Teller, the father of the hydrogen bomb, and Lowell Wood, an astrophysicist, proposed a seemingly ...

Trump's push follows in the footsteps of Reagan's Strategic Defense Initiative, a scrapped program popularly called "Star ...

The thought of an American Iron Dome to protect it from missile attacks has led Russia to launch a fusillade of fulminations ...

The United States is estimated to have spent more than $400 billion on the kinds of antimissile goals that the president now ...

President Donald Trump is testing how far Republicans are willing to go in supporting his supercharged ''Make America Great Again'' agenda, tearing down government agencies and taking actions ...

Washington Post staff tried to separate what is happening from what is not, and to explain what may happen in the future.

President Donald Trump says his administration has already had “very serious” discussions with Russia about its war in ...

Like Reagan’s never-fulfilled plan for a system to “intercept and destroy strategic ballistic missiles before they reached ...

The US has an opportunity and a responsibility to devise an effective missile shield to defend itself and its allies.