President Donald Trump has called for an expansive, next-generation missile defense shield for the mainland United States, ...

Creating an Iron Dome for America would not just be a poor decision — it would be a monumental failure in defense policy.

A top Russian official warned an advanced U.S. missile defense shield move could lead to military "confrontation" in space.

There are significant challenges to overcome if we are to deploy something similar to Israel’s acclaimed air defense network ...

The first Trump administration floated a space weapon concept in March 2018: a neutral particle beam in space. But it ...