What happens when the United States tries to build a missile shield so ambitious that Russia and China start dreaming up weapons that no defense can stop?

Today, while global thermonuclear war seems far less of a threat than it did in 1983, it remains a ghastly possibility. Yet even if the desire to shield the nation from existential attack exists, the ...

Since ordering the Pentagon in January to erect a U.S. missile defense shield partly based in space, President Donald Trump has claimed that it would be completed by the end of his term and cost $175 ...

Lockheed Martin is designing a space-based missile interceptor and aims to test the technology for potential integration into President Donald Trump’s "Golden Dome" defense shield within the next ...

In January President Donald Trump made a bold pronouncement, calling for colossal investment in a missile defense shield called Iron Dome for America, later renamed the Golden Dome for America. It ...

Donald Trump wants to spend billions of dollars on a successor to President Ronald Reagan’s Strategic Defense Initiative, and he’s calling it “Golden Dome,” inspired by both Israel’s Iron Dome defense ...

The Strategic Defense Initiative, or “Star Wars,” was far too ambitious for the technology of its era—but its programs live on in various US air defense efforts. Perhaps the most famous weapons system ...